- Cooper AirportIdent: 05INServes: Belleville
- Cooper Coles Ranch AirportIdent: OL37Serves: Connerville
- Cooper Farm AirportIdent: NH07Serves: Loudon
- Cooper Flying Service AirportIdent: 00MOServes: Alba
- Coopers Landing AirportIdent: 0WN2Serves: Kennewick
- Cooperstown Municipal AirportIdent: KS32Serves: Cooperstown
- Cooperstown-Westville AirportIdent: K23Serves: Cooperstown
- Coose FieldIdent: US-0408Serves: Lockwood
- Copiah County AirportIdent: KM11Serves: Hazlehurst
- Copper Basin AirportIdent: 0U2Serves: Mackay
- Coppersmith AirportIdent: 2NE6Serves: Grainton
- Coral Creek AirportIdent: FA54Serves: Placida
- Cordell Municipal AirportIdent: KF36Serves: Cordell
- Cordes AirportIdent: 00AZServes: Cordes
- Cordova Municipal AirportIdent: CKUServes: Cordova
- Corkscrew Trace AirparkIdent: 1FD4Serves: Estero
- Corman Acres AirportIdent: 5IS4Serves: Lake City
- Corn Alley AirportIdent: 63ISServes: El Paso
- Corn FieldIdent: IL95Serves: Custer Park
- Cornell Municipal AirportIdent: 2H3Serves: Cornell
- Cornfield Canyon AirportIdent: 2MN4Serves: Blue Earth
- Corning Municipal AirportIdent: 0O4Serves: Corning
- Corning Municipal AirportIdent: K4M9Serves: Corning
- Corning Municipal AirportIdent: KCRZServes: Corning
- Corning Painted Post AirportIdent: K7N1Serves: Corning
- Corona Municipal AirportIdent: KAJOServes: Corona
- Corpora AirportIdent: 1TE5Serves: Hearne
- Corr AirportIdent: 25NEServes: Melbeta
- Corral Creek AirportIdent: 0ID9Serves: Helmer
- Corralitos AirportIdent: XS94Serves: San Ygnacio
- Corriher FieldIdent: 88NCServes: Mount Ulla
- Corry Lawrence AirportIdent: K8G2Serves: Corry
- Corsica Municipal AirportIdent: D65Serves: Corsica
- Cortland County Chase FieldIdent: KN03Serves: Cortland
- Corydon AirportIdent: 0E9Serves: Corydon
- Cosklos Elkview AirportIdent: PA53Serves: Carbondale
- Cosmo FieldIdent: TT16Serves: Cosmo Field
- Costello AirportIdent: 2LA7Serves: Oak Grove
- Costello Island Inc AirportIdent: 4TA3Serves: Graford
- Costin AirportIdent: A51Serves: Port St Joe
- Cottage Grove State AirportIdent: K61SServes: Cottage Grove
- Cottingham AirportIdent: 1IN6Serves: Pine Village
- Cotton FieldIdent: 4TN4Serves: Eads
- Cotton FieldIdent: 84OLServes: Broken Arrow
- Cotton Patch AirportIdent: TA75Serves: Lexington
- Cotton StripIdent: 17FAServes: La Belle
- Cottonwood AirportIdent: 0MT5Serves: Laurel
- Cottonwood AirportIdent: 1C8Serves: Rockford
- Cottonwood AirportIdent: 6LA1Serves: Lake Providence
- Cottonwood AirportIdent: IL57Serves: Bloomington
- Cottonwood AirportIdent: US-8140Serves: Stillwater
- Cottonwood Creek Ranch AirportIdent: OG50Serves: Harper
- Cottonwood Falls AirportIdent: 9K0Serves: Cottonwood Falls
- Cottonwood Farm AirportIdent: 87VAServes: Crozet
- Cottonwood FieldIdent: 09COServes: Rocky Ford
- Cottonwood Municipal AirportIdent: KS84Serves: Cottonwood
- Cotulla-La Salle County AirportIdent: KCOTServes: Cotulla
- Cougar Flat AirstripIdent: WN24Serves: Castle Rock
- Cougar Landing AirportIdent: XA85Serves: Waco
- Cougar Mountain AirfieldIdent: 49WAServes: Yelm