| Abbreviation | Definition |
|---|---|
| CEP | Concepcion, Bolivia |
| CEQ | Cannes, France |
| CER | Cherbourg, France |
| CEV | Mettel Field Airport, Connersville, Indiana USA |
| CEW | Crestview, Florida USA |
| CEX | Chena Hot Springs, Alaska USA |
| CEY | Murray, Kentucky USA |
| CEZ | Cortez, Colorado USA |
| CFE | Clermont Field, Ferrand, France |
| CFF | Cafunfo, Angola |
| CFG | Cienfuegos, Cuba |
| CFN | Donegal, Republic of Ireland |
| CFR | Caen, France |
| CFS | Coffs Harbour, New South Wales, Australia |
| CFU | Kerkyra, Greece |
| CGA | Craig, Alaska USA |
| CGB | Cuiaba, MT, Brazil |
| CGC | Cape Gloucester, Papua New Guinea |
| CGD | Changde, Mainland China |
| CGE | Cambridge, Maryland USA |