| California Redwood Coast-Humboldt County (ACV) | Arcata | CA | Napa County to California Redwood Coast-Humboldt County |
| Ashland Municipal-Sumner Parker Field (AHM) | Ashland | OR | Napa County to Ashland Municipal-Sumner Parker Field |
| Apple Valley (APV) | Apple Valley | CA | Napa County to Apple Valley |
| Austin (ASQ) | Austin | NV | Napa County to Austin |
| Auburn Municipal (AUN) | Auburn | CA | Napa County to Auburn Municipal |
| Catalina (AVX) | Avalon | CA | Napa County to Catalina |
| Battle Mountain (BAM) | Battle Mountain | NV | Napa County to Battle Mountain |
| Bandon State (BDY) | Bandon | OR | Napa County to Bandon State |
| Meadows Field (BFL) | Bakersfield | CA | Napa County to Meadows Field |
| Bishop Regional (BIH) | Bishop | CA | Napa County to Bishop Regional |
| Blue Canyon - Nyack (BLU) | Emigrant Gap | CA | Napa County to Blue Canyon - Nyack |
| Brookings Airport (BOK) | Brookings | OR | Napa County to Brookings Airport |
| Beatty (BTY) | Beatty | NV | Napa County to Beatty |
| Hollywood Burbank (BUR) | Burbank | CA | Napa County to Hollywood Burbank |
| Cable (CCB) | Upland | CA | Napa County to Cable |
| Del Norte Co Regional/Jack Mcnamara Field (CEC) | Crescent City | CA | Napa County to Del Norte Co Regional/Jack Mcnamara Field |
| Chiloquin State (CHZ) | Chiloquin | OR | Napa County to Chiloquin State |
| Chico Municipal (CIC) | Chico | CA | Napa County to Chico Municipal |
| New Coalinga Municipal (CLG) | Coalinga | CA | Napa County to New Coalinga Municipal |
| Chino (CNO) | Chino | CA | Napa County to Chino |
| Columbia (COA) | Columbia | CA | Napa County to Columbia |
| Compton/Woodley (CPM) | Compton | CA | Napa County to Compton/Woodley |
| Carson City (CSN) | Carson City | NV | Napa County to Carson City |
| Barstow-Daggett (DAG) | Daggett | CA | Napa County to Barstow-Daggett |
| Eureka/Murray Field (EKA) | Eureka | CA | Napa County to Eureka/Murray Field |
| Elko Regional/Harris Field (EKO) | Elko | NV | Napa County to Elko Regional/Harris Field |
| San Gabriel Valley (EMT) | El Monte | CA | Napa County to San Gabriel Valley |
| Eureka (EUE) | Eureka | NV | Napa County to Eureka |
| Yerington Municipal (EYR) | Yerington | NV | Napa County to Yerington Municipal |
| Fresno Yosemite International (FAT) | Fresno | CA | Napa County to Fresno Yosemite International |
| Fresno Chandler Executive (FCH) | Fresno | CA | Napa County to Fresno Chandler Executive |
| Fallon Municipal (FLX) | Fallon | NV | Napa County to Fallon Municipal |
| Fullerton Municipal (FUL) | Fullerton | CA | Napa County to Fullerton Municipal |
| Gansner Field (GNF) | Quincy | CA | Napa County to Gansner Field |
| Gold Beach Municipal (GOL) | Gold Beach | OR | Napa County to Gold Beach Municipal |
| Grants Pass (GTP) | Grants Pass | OR | Napa County to Grants Pass |
| Half Moon Bay (HAF) | Half Moon Bay | CA | Napa County to Half Moon Bay |
| Hawthorne Municipal/Jack Northrop Field (HHR) | Hawthorne | CA | Napa County to Hawthorne Municipal/Jack Northrop Field |
| Hollister Municipal (HLI) | Hollister | CA | Napa County to Hollister Municipal |
| Hawthorne Industrial (HTH) | Hawthorne | NV | Napa County to Hawthorne Industrial |
| Inyokern (IYK) | Inyokern | CA | Napa County to Inyokern |
| Mesa Del Rey (KIC) | King City | CA | Napa County to Mesa Del Rey |
| Los Angeles International (LAX) | Los Angeles | CA | Napa County to Los Angeles International |
| Long Beach/Daugherty Field (LGB) | Long Beach | CA | Napa County to Long Beach/Daugherty Field |
| Lake County (LKV) | Lakeview | OR | Napa County to Lake County |
| Crater Lake-Klamath Regional (LMT) | Klamath Falls | OR | Napa County to Crater Lake-Klamath Regional |
| Derby Field (LOL) | Lovelock | NV | Napa County to Derby Field |
| Lompoc (LPC) | Lompoc | CA | Napa County to Lompoc |
| Los Banos Municipal (LSN) | Los Banos | CA | Napa County to Los Banos Municipal |
| Livermore Municipal (LVK) | Livermore | CA | Napa County to Livermore Municipal |
| Madera Municipal (MAE) | Madera | CA | Napa County to Madera Municipal |
| Mc Clellan (MCC) | Sacramento | CA | Napa County to Mc Clellan |
| Merced Regional/ Macready Field (MCE) | Merced | CA | Napa County to Merced Regional/ Macready Field |
| Castle (MER) | Merced | CA | Napa County to Castle |
| Minden-Tahoe (MEV) | Minden | NV | Napa County to Minden-Tahoe |
| Medford/Rogue Valley International (MFR) | Medford | OR | Napa County to Medford/Rogue Valley International |
| Sacramento Mather (MHR) | Sacramento | CA | Napa County to Sacramento Mather |
| Mojave Air And Space Port (MHV) | Mojave | CA | Napa County to Mojave Air And Space Port |
| Shafter-Minter Field (MIT) | Shafter | CA | Napa County to Shafter-Minter Field |
| Mammoth Yosemite (MMH) | Mammoth Lakes | CA | Napa County to Mammoth Yosemite |
| Modesto City-County/Harry Sham Field (MOD) | Modesto | CA | Napa County to Modesto City-County/Harry Sham Field |
| Monterey Regional (MRY) | Monterey | CA | Napa County to Monterey Regional |
| Yuba County (MYV) | Marysville | CA | Napa County to Yuba County |
| Nervino (NVN) | Beckwourth | CA | Napa County to Nervino |
| Marina Municipal (OAR) | Marina | CA | Napa County to Marina Municipal |
| Oakdale (ODC) | Oakdale | CA | Napa County to Oakdale |
| Ontario International (ONT) | Ontario | CA | Napa County to Ontario International |
| Southwest Oregon Regional (OTH) | North Bend | OR | Napa County to Southwest Oregon Regional |
| Oroville Municipal (OVE) | Oroville | CA | Napa County to Oroville Municipal |
| Oxnard (OXR) | Oxnard | CA | Napa County to Oxnard |
| Palo Alto (PAO) | Palo Alto | CA | Napa County to Palo Alto |
| Palmdale Regional/Usaf Plant 42 (PMD) | Palmdale | CA | Napa County to Palmdale Regional/Usaf Plant 42 |
| Brackett Field (POC) | La Verne | CA | Napa County to Brackett Field |
| Paso Robles Municipal (PRB) | Paso Robles | CA | Napa County to Paso Robles Municipal |
| Porterville Municipal (PTV) | Porterville | CA | Napa County to Porterville Municipal |
| Placerville (PVF) | Placerville | CA | Napa County to Placerville |
| Riverside Municipal (RAL) | Riverside | CA | Napa County to Riverside Municipal |
| Roseburg Regional (RBG) | Roseburg | OR | Napa County to Roseburg Regional |
| Red Bluff Municipal (RBL) | Red Bluff | CA | Napa County to Red Bluff Municipal |
| Redding Municipal (RDD) | Redding | CA | Napa County to Redding Municipal |
| Reid-Hillview of Santa Clara County (RHV) | San Jose | CA | Napa County to Reid-Hillview of Santa Clara County |
| Flabob (RIR) | Riverside/Rubidoux | CA | Napa County to Flabob |
| Montague-Yreka Rohrer Field (RKC) | Montague | CA | Napa County to Montague-Yreka Rohrer Field |
| Mariposa-Yosemite (RMY) | Mariposa | CA | Napa County to Mariposa-Yosemite |
| Reno-Tahoe International (RNO) | Reno | NV | Napa County to Reno-Tahoe International |
| Sacramento Executive (SAC) | Sacramento | CA | Napa County to Sacramento Executive |
| Santa Barbara Municipal (SBA) | Santa Barbara | CA | Napa County to Santa Barbara Municipal |
| San Bernardino International (SBD) | San Bernardino | CA | Napa County to San Bernardino International |
| San Luis County Regional (SBP) | San Luis Obispo | CA | Napa County to San Luis County Regional |
| Stockton Metropolitan (SCK) | Stockton | CA | Napa County to Stockton Metropolitan |
| Siskiyou County (SIY) | Montague | CA | Napa County to Siskiyou County |
| Norman Y Mineta San Jose International (SJC) | San Jose | CA | Napa County to Norman Y Mineta San Jose International |
| Sacramento International (SMF) | Sacramento | CA | Napa County to Sacramento International |
| Santa Monica Municipal (SMO) | Santa Monica | CA | Napa County to Santa Monica Municipal |
| Capt G Allan Hancock Field/Santa Maria Public (SMX) | Santa Maria | CA | Napa County to Capt G Allan Hancock Field/Santa Maria Public |
| John Wayne/Orange County (SNA) | Santa Ana | CA | Napa County to John Wayne/Orange County |
| Salinas Municipal (SNS) | Salinas | CA | Napa County to Salinas Municipal |
| Santa Ynez (SQA) | Santa Ynez | CA | Napa County to Santa Ynez |
| San Carlos (SQL) | San Carlos | CA | Napa County to San Carlos |
| Sunriver (SUO) | Sunriver | OR | Napa County to Sunriver |
| Susanville Municipal (SVE) | Susanville | CA | Napa County to Susanville Municipal |
| Santa Paula Airport (SZP) | Santa Paula | CA | Napa County to Santa Paula Airport |
| Truckee-Tahoe (TKF) | Truckee | CA | Napa County to Truckee-Tahoe |
| Tulare/Mefford Field (TLR) | Tulare | CA | Napa County to Tulare/Mefford Field |
| Zamperini Field (TOA) | Torrance | CA | Napa County to Zamperini Field |
| Tonopah (TPH) | Tonopah | NV | Napa County to Tonopah |
| Trona (TRH) | Trona | CA | Napa County to Trona |
| Tehachapi Municipal (TSP) | Tehachapi | CA | Napa County to Tehachapi Municipal |
| Lake Tahoe Airport (TVL) | South Lake Tahoe | CA | Napa County to Lake Tahoe Airport |
| Ukiah Municipal (UKI) | Ukiah | CA | Napa County to Ukiah Municipal |
| Southern California Logisitics (VCV) | Victorville | CA | Napa County to Southern California Logisitics |
| Visalia Municipal (VIS) | Visalia | CA | Napa County to Visalia Municipal |
| Van Nuys (VNY) | Van Nuys | CA | Napa County to Van Nuys |
| Whiteman (WHP) | Los Angeles | CA | Napa County to Whiteman |
| General Wm J Fox Airfield (WJF) | Lancaster | CA | Napa County to General Wm J Fox Airfield |
| Willows-Glenn County (WLW) | Willows | CA | Napa County to Willows-Glenn County |
| Winnemucca Municipal (WMC) | Winnemucca | NV | Napa County to Winnemucca Municipal |
| Watsonville Municipal (WVI) | Watsonville | CA | Napa County to Watsonville Municipal |
