Airports
| Airport Name | Airport Code | Country |
|---|---|---|
| Caviahue | CVH | Argentina |
| Comodoro Rivadavia | CRD | Argentina |
| Concordia | COC | Argentina |
| Coen | CUQ | Australia |
| Coconut Island | CNC | Australia |
| Cessnock | CES | Australia |
| Coorabie | CRJ | Australia |
| Coober Pedy | CPD | Australia |
| Canberra | CBR | Australia |
| Collarenebri | CRB | Australia |
| Cloncurry | CNJ | Australia |
| Croker Island | CKI | Australia |
| Charters Towers | CXT | Australia |
| Cue | CUY | Australia |
| Cudal | CUG | Australia |
| Cape Barren Island | CBI | Australia |
| City Heliport | KAH | Australia |
| Condobolin | CBX | Australia |
| Collie | CIE | Australia |
| Cooktown | CTN | Australia |