International airports, regional fields and GA aerodromes — the places every mission starts and ends.

| Company | Type | Location | Codes |
|---|---|---|---|
| Corydon Airport | aerodrome | United States | — |
| Cosklos Elkview Airport | aerodrome | United States | — |
| Cosmo Newberry Airport | aerodrome | Australia | — |
| Cosmos Aviação Agrícola | aerodrome | Brazil | — |
| Costa Esmeralda Airport | international | Nicaragua | IATA ECI · ICAO MNCE |
| Costalegre Airport | military airfield | Mexico | IATA COJ |
| Costa Marques Airport | international | Brazil | IATA CQS · ICAO SWCQ |
| Costa Navarino Helipad | heliport | Greece | — |
| Costello Airport | aerodrome | United States | — |
| Costello Island, Incorporated Airport | aerodrome | United States | — |
| Costin Airport | aerodrome | United States | — |
| Cotabato Airport |
aerodrome 30,878international 8,351military airfield 1,867private airstrip 1,800heliport 555regional 460
United States 15,232Brazil 2,982Australia 2,025Canada 1,765France 1,355Russia 1,265United Kingdom 1,109South Africa 938Germany 879Colombia 835Italy 718Indonesia 681Argentina 621Ukraine 570Papua New Guinea 536China 489Mexico 478Venezuela 468Spain 414India 411Namibia 376Chile 358Congo - Kinshasa 356South Sudan 331Poland 327Czechia 277New Zealand 250Kenya 242Sweden 222Japan 195Philippines 188Norway 179Botswana 151Portugal
Operators claiming an entry can correct facts, add services and certificates, and mark their page verified. Claiming is free — see a company’s page for the claim link.
| international |
| Datu Odin Sinsuat, Philippines |
| IATA CBO · ICAO RPMC |
| Cotopaxi International Airport | international | Ecuador | IATA LTX · ICAO SELT |
| Cotoprix | aerodrome | Colombia | — |
| Cotswold Airport | international | United Kingdom | IATA GBA · ICAO EGBP |
| Cottage Farm Airstrip | private airstrip | Bloxholm, United Kingdom | — |
| Cottage Farm Airstrip | aerodrome | Norton-Juxta-Twycross, United Kingdom | — |
| Cottage Grove State Airport | aerodrome | United States | — |
| Cottam Airport | aerodrome | Canada | — |
| Cottars Mara Airport | aerodrome | Kenya | ICAO HKCC |
| Cotten Creek Airport | aerodrome | Australia | — |
| Cottered | aerodrome | United Kingdom | — |
| Cottingham Airport | aerodrome | United States | — |
| Cotton City Airport (historical) | aerodrome | United States | — |
| Cotton Field | aerodrome | United States | — |
| Cotton Gin Airport | aerodrome | Jarvisburg, United States | — |
| Cotton Patch Airport | aerodrome | United States | — |
| Cottonwing Airport | aerodrome | United States | — |
| Cottonwood Airport | aerodrome | United States | — |
| Cottonwood Creek Ranch Airport | aerodrome | United States | — |
| Cottonwood Falls Airport | aerodrome | United States | — |
| Cottonwood Farm Airport | aerodrome | United States | — |
| Cottonwood Field | aerodrome | United States | — |
| Cottonwood Lake Seaplane Base | aerodrome | United States | — |
| Cottonwood Landing Field (historical) | aerodrome | United States | — |
| Cottonwood Municipal Airport | aerodrome | United States | — |
| Cottonwood Ranch Landing Strip | aerodrome | United States | — |
| Cotulla-La Salle County Airport | international | United States | IATA COT · ICAO KCOT |
| Coudelaria Airstrip | private airstrip | Alcácer do Sal, Portugal | — |
| Coufal-Warren Airport | aerodrome | United States | — |
| Cougar Flat Airstrip | aerodrome | United States | — |
| Cougar Helicopter | heliport | Goffs, Canada | — |
| Cougar Landing Airport | aerodrome | United States | — |
| Cougar Mountain Airfield | aerodrome | United States | — |
| Cougar Ranch Airport | aerodrome | United States | — |
| Couillard Seaplane Base | aerodrome | United States | — |
| Coulee City Airport | aerodrome | United States | — |
| Coulson/Norwood Dale Field Aerodrome | aerodrome | Canada | — |
| Coulter Field | international | United States | IATA CFD · ICAO KCFD |
| Council Airport | aerodrome | United States | — |