| Flughafenkürzel |
Stadt / Flughafen |
| CEV |
Connersville, IN - Mettel Field |
| CXO |
Conroe, TX - Montgomery County Airport |
| HYW |
Conway, SC - Conway-Horry County Airport |
| CQM |
Cook, MN - Cook Municipal Airport |
| JLA |
Cooper Landing, AK - Quartz Creek Airport |
| CZC |
Copper Center, AK - Copper Center 2 Airport |
| QCE |
Copper Mountain, CO |
| CRO |
Corcoran, CA - Corcoran Airport |
| CKF |
Cordele, GA - Crisp County-Cordele Airport |
| CKU |
Cordova, AK - Cordova Municipal Airport |
| CDV |
Cordova, AK - Merle K. (Mudhole) Smith Airport |
| CRX |
Corinth, MS - Roscoe Turner Airport |
| CBA |
Corner Bay, AK |
| NGW |
Corpus Christi, TX - Cabaniss Field Naval Outlying Field |
| CRP |
Corpus Christi, TX - Corpus Christi International Airport |
| NGP |
Corpus Christi, TX - Corpus Christi Naval Air Station |
| CUX |
Corpus Christi, TX - Cuddihy Field |
| CRS |
Corsicana, TX - C. David Campbell Field-Corsicana Municipal Airport |
| CEZ |
Cortez, CO - Cortez-Montezuma County Airport |
| CTX |
Cortland, NY - Cortland County Airport-Chase Field |
| CVO |
Corvallis, OR - Corvallis Municipal Airport |
| CTW |
Cottonwood, AZ - Cottonwood Airport |
| COT |
Cotulla, TX - Cotulla-La Salle County Airport |
| CBF |
Council Bluffs, IA - Council Bluffs Municipal Airport |
| CIL |
Council, AK - Council Airport |
| CVG |
Covington, KY/Cincinnati, OH - Cincinatti/Northern Kentucky International Airport |
| CZD |
Cozad, NE - Cozad Municipal Airport |
| CJI |
Crafton Island, AK |
| CGA |
Craig, AK - Craig Seaplane Base |
| CIG |
Craig, CO - Craig-Moffat Airport |
| CKR |
Crane Island, WA |
| CCG |
Crane, TX - Crane County Airport |
| CFJ |
Crawfordsville, IN - Crawfordsville Municipal Airport |
| CEC |
Crescent City, CA - Jack McNamara Field. |
| CJJ |
Cresco, IA - Ellen Church Field |
| CSE |
Crested Butte, CO - Avion Club at Crested Butte Airport |
| CSQ |
Creston, IA - Creston Municipal Airport |
| CEW |
Crestview, FL - Bob Sikes Airport |
| CJX |
Crooked Creek, AK - Crooked Creek Airport |
| CKD |
Crooked Creek, AK - Crooked Creek Airport |
| CKN |
Crookston, MN - Crookston Municipal Kirkwood Field |
| CTY |
Cross City, FL - Cross City Airport |
| CRT |
Crossett, AR - Z. M. Jack Stell Field |
| CSV |
Crossville, TN - Crossville Memorial Airport |
| NRC |
Crow's Landing, CA - Crow's Landing Naval Auxiliary Landing Field |
| CYE |
Crystal Lake, PA |
| UBX |
Cuba, MO - Cuba Municipal Airport |
| CUW |
Cube Cove, AK |
| CVR |
Culver City, CA |
| CBE |
Cumberland, MD - Greater Cumberland Regional Airport |