| Kincardine | ON | CYKM | YKD | CYKM | Kincardine |
| Kingfisher Lake | ON | NM5 | KIF | CNM5 | Kingfisher Lake Airport |
| Summer Beaver | ON | JV7 | SUR | CJV7 | Summer Beaver Airport |
| Wunnumin Lake | ON | KL3 | WNN | CKL3 | Wunnumin Lake Airport |
| Kasabonika | ON | YAQ | XKS | CYAQ | Kasabonika Airport |
| Cat Lake | ON | YAC | YAC | CYAC | Cat Lake Airport |
| Fort Frances | ON | CYAG | YAG | CYAG | Fort Frances Municipal Airport |
| Sault Sainte Marie | ON | CYAM | YAM | CYAM | Sault Ste Marie Airport |
| Attawapiskat | ON | YAT | YAT | CYAT | Attawapiskat Airport |
| Cornwall | ON | CYCC | YCC | CYCC | Cornwall Regional Airport |
| Centralia | ON | CYCE | YCE | CYCE | Centralia / James T. Field Memorial Aerodrome |
| Saint Catherines | ON | CYSN | YCM | CYSN | Niagara District Airport |
| Cochrane | ON | CYCN | YCN | CYCN | Cochrane Airport |
| ELLIOT LAKE | ON | CYEL | YEL | CYEL | Elliot Lake Municipal Airport |
| Manitowaning | ON | CYEM | YEM | CYEM | Manitoulin East Municipal Airport |
| Fort Severn | ON | YER | YER | CYER | Fort Severn Airport |
| Fort Albany | ON | YFA | YFA | CYFA | Fort Albany Airport |
| Fort Hope | ON | YFH | YFH | CYFH | Fort Hope Airport |
| Kingston | ON | CYGK | YGK | CYGK | Kingston Norman Rogers Airport |
| Geraldton | ON | CYGQ | YGQ | CYGQ | Geraldton Greenstone Regional Airport |
| Dryden | ON | CYHD | YHD | CYHD | Dryden Regional Airport |
| Hearst | ON | CYHF | YHF | CYHF | Hearst René Fontaine Municipal Airport |
| Hamilton | ON | CYHM | YHM | CYHM | John C. Munro Hamilton International Airport |
| Hornepayne | ON | CYHN | YHN | CYHN | Hornepayne Municipal Airport |
| Poplar Hill | ON | PV7 | YHP | CPV7 | Poplar Hill Airport |
| Atikokan | ON | CYIB | YIB | CYIB | Atikokan Municipal Airport |
| Waterloo | ON | CYKF | YKF | CYKF | Waterloo Airport |
| Kirkland Lake | ON | CYKX | YKX | CYKX | Kirkland Lake Airport |
| Toronto | ON | CYKZ | YKZ | CYKZ | Buttonville Municipal Airport |
| Chapleau | ON | CYLD | YLD | CYLD | Chapleau Airport |
| Lansdowne House | ON | YLH | YLH | CYLH | Lansdowne House Airport |
| Manitouwadge | ON | CYMG | YMG | CYMG | Manitouwadge Airport |
| Moosonee | ON | CYMO | YMO | CYMO | Moosonee Airport |
| North Spirit Lake | ON | KQ3 | YNO | CKQ3 | North Spirit Lake Airport |
| Oshawa | ON | CYOO | YOO | CYOO | Toronto/Oshawa Executive Airport |
| Owen Sound | ON | CYOS | YOS | CYOS | Owen Sound / Billy Bishop Regional Airport |
| Ottawa | ON | CYOW | YOW | CYOW | Ottawa Macdonald-Cartier International Airport |
| Parry Sound | ON | CNK4 | YPD | CNK4 | Parry Sound Area Municipal Airport |
| Pickle Lake | ON | CYPL | YPL | CYPL | Pickle Lake Airport |
| Pikangikum | ON | YPM | YPM | CYPM | Pikangikum Airport |
| Peawanuck | ON | YPO | YPO | CYPO | Peawanuck Airport |
| Peterborough | ON | CYPQ | YPQ | CYPQ | Peterborough Airport |
| Muskoka | ON | CYQA | YQA | CYQA | Muskoka Airport |
| Kenora | ON | CYQK | YQK | CYQK | Kenora Airport |
| Nakina | ON | CYQN | YQN | CYQN | Nakina Airport |
| St Thomas | ON | CYQS | YQS | CYQS | St Thomas Municipal Airport |
| Thunder Bay | ON | CYQT | YQT | CYQT | Thunder Bay Airport |
| Red Lake | ON | CYRL | YRL | CYRL | Red Lake Airport |
| Ottawa | ON | CYRO | YRO | CYRO | Ottawa / Rockcliffe Airport |
| Sudbury | ON | CYSB | YSB | CYSB | Sudbury Airport |
| Smiths Falls | ON | CYSH | YSH | CYSH | Smiths Falls-Montague (Russ Beach) Airport |
| Marathon | ON | CYSP | YSP | CYSP | Marathon Airport |
| Pembroke | ON | CYTA | YTA | CYTA | Pembroke Airport |
| Big Trout Lake | ON | YTL | YTL | CYTL | Big Trout Lake Airport |
| Trenton | ON | CYTR | YTR | CYTR | CFB Trenton |
| Timmins | ON | CYTS | YTS | CYTS | Timmins/Victor M. Power |
| Toronto | ON | CYTZ | YTZ | CYTZ | Billy Bishop Toronto City Centre Airport |
| Wiarton | ON | CYVV | YVV | CYVV | Wiarton Airport |
| Deer Lake | ON | YVZ | YVZ | CYVZ | Deer Lake Airport |
| Petawawa | ON | CYWA | YWA | CYWA | Petawawa Airport |
| Webequie | ON | YWP | YWP | CYWP | Webequie Airport |
| Sioux Lookout | ON | CYXL | YXL | CYXL | Sioux Lookout Airport |
| Earlton | ON | CYXR | YXR | CYXR | Earlton (Timiskaming Regional) Airport |
| London | ON | CYXU | YXU | CYXU | London Airport |
| Wawa | ON | CYXZ | YXZ | CYXZ | Wawa Airport |
| North Bay | ON | CYYB | YYB | CYYB | North Bay Jack Garland Airport |
| Kapuskasing | ON | CYYU | YYU | CYYU | Kapuskasing Airport |
| Armstrong | ON | CYYW | YYW | CYYW | Armstrong Airport |
| Toronto | ON | CYYZ | YYZ | CYYZ | Lester B. Pearson International Airport |
| Toronto | ON | CYZD | YZD | CYZD | Downsview Airport |
| Gore Bay | ON | CYZE | YZE | CYZE | Gore Bay Manitoulin Airport |
| Sarnia | ON | CYZR | YZR | CYZR | Chris Hadfield Airport |
| Kashechewan | ON | ZKE | ZKE | CZKE | Kashechewan Airport |
| Sachigo Lake | ON | ZPB | ZPB | CZPB | Sachigo Lake Airport |
| Round Lake | ON | ZRJ | ZRJ | CZRJ | Round Lake (Weagamow Lake) Airport |
| Sandy Lake | ON | ZSJ | ZSJ | CZSJ | Sandy Lake Airport |
| Ignace | ON | CZUC | ZUC | CZUC | Ignace Municipal Airport |
| Keewaywin | ON | PV8 | KEW | CPV8 | Keewaywin Airport |
| Burlington | ON | CZBA | CZB | CZBA | Burlington Executive |
| Ottawa | ON | CYRP | YRP | CYRP | Ottawa / Carp Airport |
| Killarney | ON | CPT2 | PT2 | CPT2 | Killarney |
| Leamington | ON | LM2 | LM2 | CLM2 | Leamington |
| Tobermory | ON | CNR4 | NR4 | CNR4 | Tobermory |
| Wingham | ON | CPR7 | PR7 | CPR7 | Wingham/Richard W Levan |
| Arnprior | ON | CNP3 | NP3 | CNP3 | Arnprior Municipal |
| Brampton | ON | CNC3 | XPN | CNC3 | Brampton Airport |
| Bar River | ON | CPF2 | YEB | CPF2 | Bar River |
| Brantford | ON | CYFD | XFV | CYFD | Brantford Municipal Airport |
| Brockville | ON | CNL3 | XBR | CNL3 | Brockville Regional Tackaberry |
| Cambridge | ON | CPE4 | PE4 | CPE4 | Cambridge/Reid's Field |
| Collingwood | ON | CNY3 | NY3 | CNY3 | Collingwood Airport |
| Dunnville | ON | DU9 | DU9 | CDU9 | Dunnville Airport |
| Goderich | ON | CYGD | YGD | CYGD | Goderich Airport |
| Grimsby | ON | CNZ8 | XGY | CNZ8 | Grimsby Airpark |
| Lindsay | ON | CNF4 | NF4 | CNF4 | Kawartha Lakes (Lindsay) Airport |
| Midland | ON | CYEE | YEE | CYEE | Huronia Airport |
| Pelee | ON | CYPT | YPT | CYPT | Pelee Island Airport |
| Tyendinaga | ON | CPU6 | PU6 | CPU6 | Tyendinaga/Mohawk |
| Windsor | ON | CYQG | YQG | CYQG | Windsor Airport |
| Welland | ON | CNQ3 | NQ3 | CNQ3 | Niagara Central |
| Barrie-Orillia | ON | CYLS | YLS | CYLS | Barrie-Orillia (Lake Simcoe Regional Airport) |
| Colville Lake | ON | CYCK | YCK | CYCK | Colville Lake Airport |
| Hanover | ON | CYHS | YHS | CYHS | Hanover / Saugeen Municipal Airport |
| Stratford | ON | CYSA | YSA | CYSA | Stratford Municipal Airport |
| Tillsonburg | ON | CYTB | YTB | CYTB | Tillsonburg Regional |
| Angling Lake | ON | YAX | YAX | MYAX | Wapekeka Airport |
| Muskrat Dam | ON | ZMD | MSA | CZMD | Muskrat Dam Airport |
| Bearskin Lake | ON | NE3 | XBE | CNE3 | Bearskin Lake Airport |
| Barrie-Orillia | ON | CYLS | YLK | CYLS | Barrie-Orillia (Lake Simcoe Regional Airport) |