- Camp Davis Marine Corps Outlying FieldIdent: 14NCServes: Holly Ridge
- Camp Guernsey AirportIdent: K7V6Serves: Guernsey
- Camp Lake AirportIdent: 49CServes: Camp Lake
- Camp Point AirportIdent: AK18Serves: Homer
- Campbell AirportIdent: KC81Serves: Grayslake
- Campbell AirstripIdent: CSRServes: Anchorage
- Campbell County Airport - Colonel Tommy C Stiner AirfieldIdent: KJAUServes: Jacksboro
- Campbell FieldIdent: 06XSServes: Aubrey
- Campbell FieldIdent: D85Serves: Randolph
- Campbell Municipal AirportIdent: K34MServes: Campbell
- Campbell Ranch AirportIdent: MT88Serves: Marion
- Campbell-Pratt AirportIdent: KY65Serves: Indian River
- Campis AirportIdent: 7NY0Serves: Lake Huntington
- Canaan Air Base AirportIdent: NC20Serves: New Bern
- Canaan FieldIdent: PA17Serves: Corning
- Canadian Lakes AirportIdent: 0C5Serves: Canadian Lakes
- Canadian River Corrientes AirportIdent: US-0676Serves: Hinton
- Canadian River Ranch AirportIdent: 76TAServes: Adrian
- Canadian River Ranch AirportIdent: OK04Serves: Eufaula
- Canal Fulton AirportIdent: 7OH2Serves: Canal Fulton
- Canandaigua AirportIdent: D38Serves: Ontario County IDA
- Canapitsit AirportIdent: 15MAServes: Gosnold
- Canary's AirportIdent: 20INServes: Franklin
- Candelaria AirportIdent: XA95Serves: Candelaria
- Candle 2 AirportIdent: AK75Serves: Candle
- Candlelight Farms AirportIdent: 11NServes: New Milford
- Cando Municipal AirportIdent: K9D7Serves: Cando
- Candy Lake Estate AirportIdent: 98OKServes: Avant
- Candylands AirportIdent: US-8466Serves: Big Arm
- Cane Creek AirportIdent: 4NC6Serves: Fletcher
- Cannizzaro FieldIdent: 28MAServes: Southwick
- Cannon Creek AirparkIdent: 15FLServes: Lake City
- Canon Ranch AirportIdent: 9TX9Serves: Sheffield
- Canton Municipal AirportIdent: K7G9Serves: Canton
- Canton-Plymouth-Mettetal AirportIdent: 1D2Serves: Plymouth
- Cantrell Farms AirportIdent: AR06Serves: Conway
- Cantwell AirportIdent: PATWServes: Cantwell
- Cantwell AirportIdent: TN11Serves: Sneedville
- Canyon Ferry AirportIdent: 8U9Serves: Townsend
- Canyon Lake AirportIdent: 34TSServes: Canyon Lake
- Canyon Ranch AirportIdent: TE37Serves: Sonora
- Cape Cod AirportIdent: 2B1Serves: Marston Mills
- Cape Cod Coast Guard Air StationIdent: KFMHServes: Falmouth
- Cape Fear Regional Jetport / Howie Franklin Field AirportIdent: KSUTServes: Southport
- Cape Sarichef AirportIdent: PACSServes: Cape Sarichef
- Capen AirportIdent: 2MI9Serves: Mecosta
- Capital City AirportIdent: KCXYServes: Harrisburg
- Capital City AirportIdent: KFFTServes: Frankfort
- Capitol Drive AirportIdent: K02CServes: Brookfield
- Capozzoli AirportIdent: LA42Serves: Prairieville
- Captain Jack Thomas El Dorado AirportIdent: KEQAServes: El Dorado
- Carbon County Regional Airport / Buck Davis FieldIdent: KPUCServes: Price
- Carcioppolo FieldIdent: OH97Serves: Auburn Center
- Card AerodromeIdent: 0TX9Serves: Greenville
- Card AirfieldIdent: 4XA2Serves: Kenedy
- Cardinal Ridge AirportIdent: WI24Serves: Mt Horeb
- Cardwell StripIdent: 34AKServes: Palmer
- Careferre Acres AirportIdent: 8II1Serves: Jasonville
- Carey AirportIdent: TN56Serves: Mayland
- Carey AirportIdent: U65Serves: Carey