- Casselton Robert Miller Regional AirportIdent: K5N8Serves: Casselton
- Cassville Municipal AirportIdent: K94KServes: Cassville
- Cassville Municipal AirportIdent: KC74Serves: Cassville
- Cast AirportIdent: 5IS7Serves: Fairmount
- Castille FieldIdent: LA16Serves: Breaux Bridge
- Castle Lakes AirportIdent: CD32Serves: Lake City
- Castle Mountain AirstripIdent: 48AKServes: Sutton/Chickaloon
- Castle Well AirportIdent: 0AZ5Serves: Morristown
- Castleberry AirportIdent: MT45Serves: Ekalaka
- Castroville Municipal AirportIdent: KCVBServes: Castroville
- Caswell AirportIdent: 6W4Serves: Yanceyville
- Cat Ag Air AirportIdent: US-5750Serves: Newman
- Catalano AirfieldIdent: 1NK6Serves: Wilmington
- Catalina AirportIdent: KAVXServes: Avalon
- Catamount AirfieldIdent: VT62Serves: Cabot
- Cataney AirportIdent: PN62Serves: Midway
- Catawba Valley AirportIdent: VA10Serves: Blacksburg
- Catfish Point AirportIdent: 0MS8Serves: Benoit
- Catoctin Crosswind AirportIdent: 4MD7Serves: Thurmont
- Catskill Valley AirparkIdent: 2NY0Serves: South Cairo
- Cattaraugus County-Olean AirportIdent: KOLEServes: Olean
- Cattle Creek Ranch AirportIdent: 50FDServes: Altha
- Cauley's AirstripIdent: 3GA8Serves: Soperton
- Causey AirportIdent: K2A5Serves: Liberty
- Cavalier Municipal AirportIdent: K2C8Serves: Cavalier
- Cavanaugh AirportIdent: NE29Serves: Minden
- CAVOK Ranch AirportIdent: UT90Serves: Wellsville
- Cawleys South Prairie AirportIdent: 02WAServes: South Prairie
- Cayton Pony Express AirportIdent: 8MO5Serves: Maysville
- Cayuse Creek /US Forest Service AirportIdent: 2ID7Serves: Cayuse Creek
- CCC AirportIdent: MO27Serves: Cameron
- CD-3 AirstripIdent: AK20Serves: Nuiqsut
- Cecil County AirportIdent: K58MServes: Elkton
- Cecil Ranch AirportIdent: US-12704Serves: Grimes
- Cedar Acres Private Group AirportIdent: 23PAServes: Revere
- Cedar Air ParkIdent: 51KServes: Olathe
- Cedar Creek Air Ranch AirportIdent: MS26Serves: Lucedale
- Cedar Creek AirportIdent: 2OH4Serves: Shauck
- Cedar Creek AirportIdent: MO74Serves: Columbia
- Cedar Creek Ranch AirportIdent: 96WYServes: Saratoga
- Cedar Creek Ranch AirportIdent: AR23Serves: Belleville
- Cedar Creek Ranch AirportIdent: TT94Serves: Barksdale
- Cedar Crest AirstripIdent: US-8978Serves: Diamond City
- Cedar Crest FieldIdent: 1TN0Serves: Lebanon
- Cedar Farm AirportIdent: 28IIServes: Laconia
- Cedar Glade AerodromeIdent: TN83Serves: Murfreesboro
- Cedar Island AirportIdent: WI10Serves: Brule
- Cedar Knoll Flying Ranch AirportIdent: 01FLServes: Geneva
- Cedar Mills AirportIdent: 3T0Serves: Gordonville
- Cedar Ridge AirportIdent: 9IS0Serves: Nauvoo
- Cedar Ridge AirportIdent: GA62Serves: Griffin
- Cedar Run AirportIdent: PN01Serves: Dorseyville
- Cedar Valley AirportIdent: UT10Serves: Eagle Mountain
- Cedarville AirportIdent: KO59Serves: Cedarville
- Cedarville AirportIdent: MI18Serves: Flushing
- Center FieldIdent: 93TNServes: Gray
- Center Island AirportIdent: 78WAServes: Center Island
- Center Municipal AirportIdent: KF17Serves: Center
- Centerville AirstripIdent: AR03Serves: Centerville
- Centerville Municipal AirportIdent: KGHMServes: Centerville