| Abbreviation | Definition |
|---|---|
| CPT | Cape Town, South Africa |
| CPV | Campina Grande, PB, Brazil |
| CPX | Culebra, Puerto Rico |
| CQA | Canarana, MT, Brazil |
| CQF | Calais, France |
| CQP | Cape Flattery, Queensland, Australia |
| CQT | Caquetaia, Colombia |
| CRB | Collarenebri, New South Wales, Australia |
| CRD | Comodoro Rivadavia Airport, Comodoro Rivadavia, CB, Argentina |
| CRG | Craig Airport, Jacksonville, Florida USA |
| CRH | Cherribah, Queensland, Australia |
| CRI | Crooked Island, Bahamas |
| CRJ | Coorabie, South Australia, Australia |
| CRK | Clark Field, Luzon Island, Philippines |
| CRL | Brussels South Airport, Brussels, Belgium |
| CRN | Cromarty, Scotland |
| CRP | Corpus Christi International Airport, Corpus Christi, Texas USA |
| CRQ | Caravelas, Buenos Aires, Brazil |
| CRS | Corsicana Airport, Corsicana, Texas USA |
| CRU | Carriacou, Windward Islands |