| Lehigh Valley International (ABE) | Allentown | PA | Grant County to Lehigh Valley International |
| Atlantic City International (ACY) | Atlantic City | NJ | Grant County to Atlantic City International |
| Lenawee County (ADG) | Adrian | MI | Grant County to Lenawee County |
| Robert F Swinnie (ADR) | Andrews | SC | Grant County to Robert F Swinnie |
| Allegheny County (AGC) | Pittsburgh | PA | Grant County to Allegheny County |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Grant County to Anderson Municipal-Darlington Field |
| Aiken Regional (AIK) | Aiken | SC | Grant County to Aiken Regional |
| Akron Fulton International (AKC) | Akron | OH | Grant County to Akron Fulton International |
| Albany International (ALB) | Albany | NY | Grant County to Albany International |
| Anderson Regional (AND) | Anderson | SC | Grant County to Anderson Regional |
| Lee (ANP) | Annapolis | MD | Grant County to Lee |
| Tri-State Steuben County (ANQ) | Angola | IN | Grant County to Tri-State Steuben County |
| Lima Allen County (AOH) | Lima | OH | Grant County to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Grant County to Altoona/Blair County |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Grant County to Ann Arbor Municipal |
| Watertown International (ART) | Watertown | NY | Grant County to Watertown International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Grant County to Gordon K Bush Ohio University |
| Asheville Regional (AVL) | Asheville | NC | Grant County to Asheville Regional |
| Wilkes-Barre/Scranton International (AVP) | Scranton | PA | Grant County to Wilkes-Barre/Scranton International |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Grant County to Auglaize County Neil Armstrong |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Grant County to Kalamazoo/Battle Creek International |
| Barnes Municipal (BAF) | Westfield | MA | Grant County to Barnes Municipal |
| Wings Field (BBX) | Philadelphia | PA | Grant County to Wings Field |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Grant County to Virginia Tech Montgomery Executive |
| Bradley International (BDL) | Windsor Locks | CT | Grant County to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Grant County to Igor I Sikorsky Memorial |
| Bradford Regional (BFD) | Bradford | PA | Grant County to Bradford Regional |
| Beaver County (BFP) | Beaver Falls | PA | Grant County to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Grant County to Virgil I Grissom Municipal |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Grant County to Greater Binghamton Edwin A Link Field |
| Wayne County (BJJ) | Wooster | OH | Grant County to Wayne County |
| Burke Lakefront (BKL) | Cleveland | OH | Grant County to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | Grant County to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | Grant County to Raleigh County Memorial |
| Mercer County (BLF) | Bluefield | WV | Grant County to Mercer County |
| Monmouth Executive (BLM) | Belmar | NJ | Grant County to Monmouth Executive |
| Samuels Field (BRY) | Bardstown | KY | Grant County to Samuels Field |
| Battle Creek Executive (BTL) | Battle Creek | MI | Grant County to Battle Creek Executive |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | Grant County to Marlboro County Jetport - H.E. Avent Field |
| Pittsburgh/Butler Regional Airport (BTP) | Butler | PA | Grant County to Pittsburgh/Butler Regional Airport |
| Buffalo Niagara International (BUF) | Buffalo | NY | Grant County to Buffalo Niagara International |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Grant County to Baltimore/Washington Intl Thurgood Marshall |
| Columbia Metropolitan (CAE) | Columbia | SC | Grant County to Columbia Metropolitan |
| Akron/Canton Regional (CAK) | Akron | OH | Grant County to Akron/Canton Regional |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Grant County to Greater Cumberland Regional |
| Woodward Field (CDN) | Camden | SC | Grant County to Woodward Field |
| Essex County (CDW) | Caldwell | NJ | Grant County to Essex County |
| Oconee County Regional (CEU) | Clemson | SC | Grant County to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | Grant County to Mettel Field |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Grant County to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Grant County to Cuyahoga County |
| College Park Airport (CGS) | College Park | MD | Grant County to College Park Airport |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Grant County to Charlottesville Albemarle |
| North Central West Virginia (CKB) | Clarksburg | WV | Grant County to North Central West Virginia |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Grant County to Cleveland/Hopkins International |
| Charlotte Douglas International (CLT) | Charlotte | NC | Grant County to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | Grant County to Columbus Municipal |
| John Glenn International (CMH) | Columbus | OH | Grant County to John Glenn International |
| Grand Strand North Myrtle Beach (CRE) | North Myrtle Beach | SC | Grant County to Grand Strand North Myrtle Beach |
| Yeager (CRW) | Charleston | WV | Grant County to Yeager |
| Crossville Memorial/Whitson Field (CSV) | Crossville | TN | Grant County to Crossville Memorial/Whitson Field |
| Chester County G O Carlson (CTH) | Coatesville | PA | Grant County to Chester County G O Carlson |
| Cortland County-Chase Field (CTX) | Cortland | NY | Grant County to Cortland County-Chase Field |
| Clinton-Sampson County (CTZ) | Clinton | NC | Grant County to Clinton-Sampson County |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | Grant County to Jim Hamilton L.B. Owens |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Grant County to Cincinnati Northern Kentucky International |
| Burlington Executive (CZB) | Burlington | ON | Grant County to Burlington Executive |
| Danville Regional (DAN) | Danville | VA | Grant County to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Grant County to Dayton International James M Cox |
| Coleman A Young Municipal (DET) | Detroit | MI | Grant County to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Grant County to Defiance Memorial |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Grant County to Chautauqua County/Dunkirk |
| Dillon County Airport (DLL) | Dillon | SD | Grant County to Dillon County Airport |
| Dover AFB (DOV) | Dover | DE | Grant County to Dover AFB |
| Dansville Municipal (DSV) | Dansville | NY | Grant County to Dansville Municipal |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Grant County to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Grant County to Dunnville |
| Pine Island Airport (DUF) | Corolla | NC | Grant County to Pine Island Airport |
| Dubois Regional (DUJ) | DuBois | PA | Grant County to Dubois Regional |
| Danbury Municipal (DXR) | Danbury | CT | Grant County to Danbury Municipal |
| Doylestown (DYL) | Doylestown | PA | Grant County to Doylestown |
| Elizabeth City Regional & Coast Guard Station (ECG) | Elizabeth City | NC | Grant County to Elizabeth City Regional & Coast Guard Station |
| Northeastern Regional (EDE) | Edenton | NC | Grant County to Northeastern Regional |
| Addington Field (EKX) | Elizabethtown | KY | Grant County to Addington Field |
| Elmira/Corning Regional (ELM) | Elmira | NY | Grant County to Elmira/Corning Regional |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Grant County to Wellsville Municipal/Tarantine Field |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Grant County to Erie International/Tom Ridge Field |
| Easton/Newnam Field (ESN) | Easton | MD | Grant County to Easton/Newnam Field |
| Stroudsburg-Pocono (ESP) | East Stroudsburg | PA | Grant County to Stroudsburg-Pocono |
| Coastal Carolina Regional (EWN) | New Bern | NC | Grant County to Coastal Carolina Regional |
| Newark Liberty International (EWR) | Newark | NJ | Grant County to Newark Liberty International |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | Grant County to Fayetteville Regional/Grannis Field |
| Frederick Municipal (FDK) | Frederick | MD | Grant County to Frederick Municipal |
| Findlay (FDY) | Findlay | OH | Grant County to Findlay |
| First Flight (FFA) | Kill Devil Hills | NC | Grant County to First Flight |
| Capital City (FFT) | Frankfort | KY | Grant County to Capital City |
| Venango Regional (FKL) | Franklin | PA | Grant County to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | Grant County to Franklin Municipal-John Beverly Rose |
| Florence Regional (FLO) | Florence | SC | Grant County to Florence Regional |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Grant County to Fort Meade (Odenton) Tipton |
| Bishop International (FNT) | Flint | MI | Grant County to Bishop International |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Grant County to Francis S Gabreski |
| Republic Long Island (FRG) | Farmingdale | NY | Grant County to Republic Long Island |
| Front Royal-Warren County (FRR) | Front Royal | VA | Grant County to Front Royal-Warren County |
| Fort Wayne International (FWA) | Fort Wayne | IN | Grant County to Fort Wayne International |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Grant County to Montgomery County Airpark |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | Grant County to Greeneville-Greene County Municipal |
| Donaldson Field (GDC) | Greenville | SC | Grant County to Donaldson Field |
| Delaware Coastal (GED) | Georgetown | DE | Grant County to Delaware Coastal |
| Georgetown County (GGE) | Georgetown | SC | Grant County to Georgetown County |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | Grant County to Gatlinburg-Pigeon Forge |
| Glasgow Municipal (GLW) | Glasgow | KY | Grant County to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | Grant County to Greenville Downtown |
| Galion Municipal (GQQ) | Galion | OH | Grant County to Galion Municipal |
| Greenwood County (GRD) | Greenwood | SC | Grant County to Greenwood County |
| Goshen Municipal (GSH) | Goshen | IN | Grant County to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | Grant County to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | Grant County to Greenville Spartanburg International |
| Gettysburg Regional (GTY) | Gettysburg | PA | Grant County to Gettysburg Regional |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Grant County to Grissom Aeroplex/Arb |
| Gordonsville Municipal Airport (GVE) | Gordonsville | VA | Grant County to Gordonsville Municipal Airport |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Grant County to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Grant County to Butler County Regional-Hogan Field |
| Capital City Harrisburg (HAR) | Harrisburg | PA | Grant County to Capital City Harrisburg |
| Columbia County (HCC) | Hudson | NY | Grant County to Columbia County |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Grant County to Cheraw Municipal/Lynch Bellinger Field |
| Hartford/Brainard (HFD) | Hartford | CT | Grant County to Hartford/Brainard |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Grant County to Richard A Henson Field/Hagerstown Regional |
| Hickory Regional (HKY) | Hickory | NC | Grant County to Hickory Regional |
| Wheeling Ohio County (HLG) | Wheeling | WV | Grant County to Wheeling Ohio County |
| Billy Mitchell (HNC) | Hatteras | NC | Grant County to Billy Mitchell |
| Westchester County (HPN) | White Plains | NY | Grant County to Westchester County |
| Ingalls Field (HSP) | Hot Springs | VA | Grant County to Ingalls Field |
| East Hampton (HTO) | East Hampton | NY | Grant County to East Hampton |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Grant County to Tri-State Milton J Ferguson Field |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Grant County to Lawrence County Airpark |
| Tweed/New Haven (HVN) | New Haven | CT | Grant County to Tweed/New Haven |
| Hartsville Regional (HVS) | Hartsville | SC | Grant County to Hartsville Regional |
| Hazleton Regional (HZL) | Hazleton | PA | Grant County to Hazleton Regional |
| Washington Dulles International (IAD) | Washington | VA | Grant County to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | Grant County to Niagara Falls International |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Grant County to Indiana County/Jimmy Stewart Field |
| Wilkes County (IKB) | N Wilkesboro | NC | Grant County to Wilkes County |
| Wilmington/New Castle (ILG) | Wilmington | DE | Grant County to Wilmington/New Castle |
| Wilmington International (ILM) | Wilmington | NC | Grant County to Wilmington International |
| Wilmington Airpark (ILN) | Wilmington | OH | Grant County to Wilmington Airpark |
| Indianapolis International (IND) | Indianapolis | IN | Grant County to Indianapolis International |
| Smith Reynolds (INT) | Winston-Salem | NC | Grant County to Smith Reynolds |
| Williamsport Regional (IPT) | Williamsport | PA | Grant County to Williamsport Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Grant County to Kirsch Municipal |
| Kinston Regional Jetport Stallings Field (ISO) | Kinston | NC | Grant County to Kinston Regional Jetport Stallings Field |
| Long Island Macarthur (ISP) | Islip | NY | Grant County to Long Island Macarthur |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Grant County to Ithaca Tompkins Regional |
| New York/John F Kennedy International (JFK) | New York | NY | Grant County to New York/John F Kennedy International |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Grant County to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Grant County to Chautauqua County/Jamestown |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Grant County to John Murtha Johnstown/Cambria County |
| Central Jersey Regional (JVI) | Manville | NJ | Grant County to Central Jersey Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Grant County to Jackson County/Reynolds Field |
| Capital Region International (LAN) | Lansing | MI | Grant County to Capital Region International |
| Arnold Palmer Regional (LBE) | Latrobe | PA | Grant County to Arnold Palmer Regional |
| Lumberton Regional (LBT) | Lumberton | NC | Grant County to Lumberton Regional |
| Rickenbacker International (LCK) | Columbus | OH | Grant County to Rickenbacker International |
| Linden (LDJ) | Linden | NJ | Grant County to Linden |
| Blue Grass (LEX) | Lexington | KY | Grant County to Blue Grass |
| Triangle North Executive (LFN) | Louisburg | NC | Grant County to Triangle North Executive |
| La Guardia (LGA) | New York | NY | Grant County to La Guardia |
| William T. Piper Memorial (LHV) | Lock Haven | PA | Grant County to William T. Piper Memorial |
| South Jersey Regional (LLY) | Mount Holly | NJ | Grant County to South Jersey Regional |
| Leamington (LM2) | Leamington | ON | Grant County to Leamington |
| Willoughby Lost Nation Municipal (LNN) | Willoughby | OH | Grant County to Willoughby Lost Nation Municipal |
| Lonesome Pine (LNP) | Wise | VA | Grant County to Lonesome Pine |
| Lancaster (LNS) | Lancaster | PA | Grant County to Lancaster |
| Bowman Field (LOU) | Louisville | KY | Grant County to Bowman Field |
| Louisa County/Freeman Field (LOW) | Louisa | VA | Grant County to Louisa County/Freeman Field |
| London Corbin Magee Field (LOZ) | London | KY | Grant County to London Corbin Magee Field |
| Pickens County (LQK) | Pickens | SC | Grant County to Pickens County |
| St. Mary's County Regional (LTW) | Leonardtown | MD | Grant County to St. Mary's County Regional |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Grant County to Cincinnati Municipal Lunken |
| Lawrenceville/Brunswick Municipal (LVL) | Lawrenceville | VA | Grant County to Lawrenceville/Brunswick Municipal |
| Greenbrier Valley (LWB) | Lewisburg | WV | Grant County to Greenbrier Valley |
| Lynchburg Regional/Preston Glenn Field (LYH) | Lynchburg | VA | Grant County to Lynchburg Regional/Preston Glenn Field |
| Mbs International (MBS) | Saginaw | MI | Grant County to Mbs International |
| Madison Municipal (MDN) | Madison | IN | Grant County to Madison Municipal |
| Harrisburg International (MDT) | Harrisburg | PA | Grant County to Harrisburg International |
| Port Meadville (MEJ) | Meadville | PA | Grant County to Port Meadville |
| Dare County Regional (MEO) | Manteo | NC | Grant County to Dare County Regional |
| Mansfield Lahm Regional (MFD) | Mansfield | OH | Grant County to Mansfield Lahm Regional |
| Accomack County (MFV) | Melfa | VA | Grant County to Accomack County |
| Orange County (MGJ) | Montgomery | NY | Grant County to Orange County |
| Morgantown Municipal Walter L Bill Hart Field (MGW) | Morgantown | WV | Grant County to Morgantown Municipal Walter L Bill Hart Field |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Grant County to Dayton-Wright Brothers |
| Delaware County Regional (MIE) | Muncie | IN | Grant County to Delaware County Regional |
| Millville Municipal (MIV) | Millville | NJ | Grant County to Millville Municipal |
| Ocean County (MJX) | Toms River | NJ | Grant County to Ocean County |
| Mcminn County (MMI) | Athens | TN | Grant County to Mcminn County |
| Morristown Municipal (MMU) | Morristown | NJ | Grant County to Morristown Municipal |
| Marion Municipal (MNN) | Marion | OH | Grant County to Marion Municipal |
| Manassas Regional/Harry P Davis Field (MNZ) | Manassas | VA | Grant County to Manassas Regional/Harry P Davis Field |
| Moore-Murrell (MOR) | Morristown | TN | Grant County to Moore-Murrell |
| Pocono Mountains Municipal (MPO) | Mount Pocono | PA | Grant County to Pocono Mountains Municipal |
| Eastern West Virginia Regional/Shepherd Field (MRB) | Martinsburg | WV | Grant County to Eastern West Virginia Regional/Shepherd Field |
| Foothills Regional (MRN) | Morganton | NC | Grant County to Foothills Regional |
| Sullivan County International (MSV) | Monticello | NY | Grant County to Sullivan County International |
| Martin State (MTN) | Baltimore | MD | Grant County to Martin State |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Grant County to Middletown Regional - Hook Field |
| Laurinburg-Maxton (MXE) | Maxton | NC | Grant County to Laurinburg-Maxton |
| Myrtle Beach International (MYR) | Myrtle Beach | SC | Grant County to Myrtle Beach International |
| Marion Municipal (MZZ) | Marion | IN | Grant County to Marion Municipal |
| Lindsay (NF4) | Lindsay | ON | Grant County to Lindsay |
| Niagara Central (NQ3) | Welland | ON | Grant County to Niagara Central |
| Toronto/Markham (NU8) | Markham | | Grant County to Toronto/Markham |
| Collingwood Regional (NY3) | Collingwood | ON | Grant County to Collingwood Regional |
| Albert J Ellis (OAJ) | Jacksonville | NC | Grant County to Albert J Ellis |
| Ocean City Municipal (OCE) | Ocean City | MD | Grant County to Ocean City Municipal |
| Washington-Warren (OCW) | Washington | NC | Grant County to Washington-Warren |
| Orangeburg Municipal (OGB) | Orangeburg | SC | Grant County to Orangeburg Municipal |
| Lt Warren Eaton (OIC) | Norwich | NY | Grant County to Lt Warren Eaton |
| Kokomo Municipal (OKK) | Kokomo | IN | Grant County to Kokomo Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Grant County to Cattaraugus County-Olean Municipal |
| Oneonta Municipal (ONH) | Oneonta | NY | Grant County to Oneonta Municipal |
| Norfolk International (ORF) | Norfolk | VA | Grant County to Norfolk International |
| Ohio State University (OSU) | Columbus | OH | Grant County to Ohio State University |
| Waterbury/Oxford (OXC) | Oxford | CT | Grant County to Waterbury/Oxford |
| Miami University (OXD) | Oxford | OH | Grant County to Miami University |
| Princeton (PCT) | Princeton | NJ | Grant County to Princeton |
| Cambridge/Reid's Field (PE4) | Cambridge | ON | Grant County to Cambridge/Reid's Field |
| Pitt-Greenville (PGV) | Greenville | NC | Grant County to Pitt-Greenville |
| Harry Clever Field (PHD) | New Philadelphia | OH | Grant County to Harry Clever Field |
| Newport News/Williamsburg Intl/Patrick Henry Field (PHF) | Newport News | VA | Grant County to Newport News/Williamsburg Intl/Patrick Henry Field |
| Philadelphia International (PHL) | Philadelphia | PA | Grant County to Philadelphia International |
| St Clair County International (PHN) | Port Huron | MI | Grant County to St Clair County International |
| Pittsburgh International (PIT) | Pittsburgh | PA | Grant County to Pittsburgh International |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Grant County to Mid Ohio Valley Regional |
| Greater Portsmouth Regional (PMH) | Portsmouth | OH | Grant County to Greater Portsmouth Regional |
| Northeast Philadelphia (PNE) | Philadelphia | PA | Grant County to Northeast Philadelphia |
| Hudson Valley Regional (POU) | Poughkeepsie | NY | Grant County to Hudson Valley Regional |
| Wingham/Richard W Levan (PR7) | Wingham | ON | Grant County to Wingham/Richard W Levan |
| Mid-State (PSB) | Philipsburg | PA | Grant County to Mid-State |
| Pittsfield Municipal (PSF) | Pittsfield | MA | Grant County to Pittsfield Municipal |
| New River Valley (PSK) | Dublin | VA | Grant County to New River Valley |
| Dinwiddie County (PTB) | Petersburg | VA | Grant County to Dinwiddie County |
| Oakland County International (PTK) | Pontiac | MI | Grant County to Oakland County International |
| Heritage Field (PTW) | Pottstown | PA | Grant County to Heritage Field |
| Tyendinaga/Mohawk (PU6) | Tyendinaga | ON | Grant County to Tyendinaga/Mohawk |
| Wilgrove Air Park (QWG) | Charlotte | NC | Grant County to Wilgrove Air Park |
| Fulton County (RCR) | Rochester | IN | Grant County to Fulton County |
| Reading Regional/Carl A Spaatz Field (RDG) | Reading | PA | Grant County to Reading Regional/Carl A Spaatz Field |
| Raleigh-Durham International (RDU) | Raleigh/Durham | NC | Grant County to Raleigh-Durham International |
| Mifflin County (RED) | Reedsville | PA | Grant County to Mifflin County |
| Richmond International (RIC) | Richmond | VA | Grant County to Richmond International |
| Richmond Municipal (RID) | Richmond | IN | Grant County to Richmond Municipal |
| Rock Hill/York County/Bryant Field (RKH) | Rock Hill | SC | Grant County to Rock Hill/York County/Bryant Field |
| Rockwood Municipal (RKW) | Rockwood | TN | Grant County to Rockwood Municipal |
| Griffiss International (RME) | Rome | NY | Grant County to Griffiss International |
| Roanoke Regional/Woodrum Field (ROA) | Roanoke | VA | Grant County to Roanoke Regional/Woodrum Field |
| Greater Rochester International (ROC) | Rochester | NY | Grant County to Greater Rochester International |
| Rocky Mount - Wilson (RWI) | Rocky Mount | NC | Grant County to Rocky Mount - Wilson |
| Salisbury Ocean City/Wicomico Regional (SBY) | Salisbury | MD | Grant County to Salisbury Ocean City/Wicomico Regional |
| University Park (SCE) | State College | PA | Grant County to University Park |
| Schenectady County (SCH) | Schenectady | NY | Grant County to Schenectady County |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Grant County to Louisville International/Standiford Field |
| Penn Valley (SEG) | Selinsgrove | PA | Grant County to Penn Valley |
| Freeman Municipal (SER) | Seymour | IN | Grant County to Freeman Municipal |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Grant County to Springfield/Beckley Municipal |
| Shenandoah Valley Regional (SHD) | Staunton | VA | Grant County to Shenandoah Valley Regional |
| Smith Field (SMD) | Fort Wayne | IN | Grant County to Smith Field |
| Lake Cumberland Regional (SME) | Somerset | KY | Grant County to Lake Cumberland Regional |
| Moore County (SOP) | Pinehurst | NC | Grant County to Moore County |
| Spartanburg Downtown Memorial (SPA) | Spartanburg | SC | Grant County to Spartanburg Downtown Memorial |
| Mid-Carolina Regional (SRW) | Salisbury | NC | Grant County to Mid-Carolina Regional |
| St Marys Municipal (STQ) | St Marys | PA | Grant County to St Marys Municipal |
| Sumter (SUM) | Sumter | SC | Grant County to Sumter |
| Statesville Regional (SVH) | Statesville | NC | Grant County to Statesville Regional |
| Stewart International (SWF) | Newburgh | NY | Grant County to Stewart International |
| Sidney Municipal (SXY) | Sidney | NY | Grant County to Sidney Municipal |
| Syracuse Hancock International (SYR) | Syracuse | NY | Grant County to Syracuse Hancock International |
| Toledo Executive (TDZ) | Toledo | OH | Grant County to Toledo Executive |
| Teterboro (TEB) | Teterboro | NJ | Grant County to Teterboro |
| York (THV) | York | PA | Grant County to York |
| Toccoa Regional Letourneau Field (TOC) | Toccoa | GA | Grant County to Toccoa Regional Letourneau Field |
| Toledo Express (TOL) | Toledo | OH | Grant County to Toledo Express |
| Tri-Cities Regional, TN/VA (TRI) | Bristol/Johnson/Kingsport | TN | Grant County to Tri-Cities Regional, TN/VA |
| Trenton Mercer (TTN) | Trenton | NJ | Grant County to Trenton Mercer |
| Mcghee Tyson (TYS) | Knoxville | TN | Grant County to Mcghee Tyson |
| Tuscola Area (TZC) | Caro | MI | Grant County to Tuscola Area |
| Quakertown (UKT) | Quakertown | PA | Grant County to Quakertown |
| Union County Troy Shelton Field (USC) | Union | SC | Grant County to Union County Troy Shelton Field |
| Virginia Highlands (VJI) | Abingdon | VA | Grant County to Virginia Highlands |
| Greene County (WAY) | Waynesburg | PA | Grant County to Greene County |
| Wilkes-Barre Wyoming Valley (WBW) | Wilkes-Barre | PA | Grant County to Wilkes-Barre Wyoming Valley |
| Winchester Regional (WGO) | Winchester | VA | Grant County to Winchester Regional |
| Washington County (WSG) | Washington | PA | Grant County to Washington County |
| Brookhaven (WSH) | Shirley | NY | Grant County to Brookhaven |
| Wildwood/Cape May County (WWD) | Wildwood | NJ | Grant County to Wildwood/Cape May County |
| Brantford Municipal (XFV) | Brantford | ON | Grant County to Brantford Municipal |
| Grimsby Airpark (XGY) | Grimsby | ON | Grant County to Grimsby Airpark |
| Brampton (XPN) | Brampton | ON | Grant County to Brampton |
| Centralia/James T Field Memorial (YCE) | Centralia | ON | Grant County to Centralia/James T Field Memorial |
| Chatham-Kent Municipal (YCK) | Chatham | ON | Grant County to Chatham-Kent Municipal |
| Niagara District (YCM) | St Catharines | ON | Grant County to Niagara District |
| Midland/Huronia (YEE) | Midland | ON | Grant County to Midland/Huronia |
| Goderich Municipal (YGD) | Goderich | ON | Grant County to Goderich Municipal |
| Kingston (YGK) | Kingston | ON | Grant County to Kingston |
| John C Munro Hamilton International (YHM) | Hamilton | ON | Grant County to John C Munro Hamilton International |
| Saugeen Municipal (YHS) | Hanover | ON | Grant County to Saugeen Municipal |
| Willow Run (YIP) | Detroit | MI | Grant County to Willow Run |
| Kincardine (YKD) | Kincardine | ON | Grant County to Kincardine |
| Lake Simcoe Regional (YLS) | Barrie-Orillia | ON | Grant County to Lake Simcoe Regional |
| Youngstown/Warren Regional (YNG) | Youngstown | OH | Grant County to Youngstown/Warren Regional |
| Oshawa (YOO) | Oshawa | ON | Grant County to Oshawa |
| Owen Sound - Billy Bishop Regional (YOS) | Owen Sound | ON | Grant County to Owen Sound - Billy Bishop Regional |
| Peterborough (YPQ) | Peterborough | ON | Grant County to Peterborough |
| Pelee Island (YPT) | Pelee Island | ON | Grant County to Pelee Island |
| Windsor (YQG) | Windsor | ON | Grant County to Windsor |
| St Thomas Municipal (YQS) | St Thomas | ON | Grant County to St Thomas Municipal |
| Stratford Municipal (YSA) | Stratford | ON | Grant County to Stratford Municipal |
| Trenton (YTR) | Trenton | ON | Grant County to Trenton |
| Billy Bishop Toronto City (YTZ) | Toronto | ON | Grant County to Billy Bishop Toronto City |
| London (YXU) | London | ON | Grant County to London |
| Toronto Lester B Pearson International (YYZ) | Toronto | ON | Grant County to Toronto Lester B Pearson International |
| Sarnia/Chris Hadfield (YZR) | Sarnia | ON | Grant County to Sarnia/Chris Hadfield |
| Zanesville Municipal (ZZV) | Zanesville | OH | Grant County to Zanesville Municipal |
