| Abbreviation | Definition |
|---|---|
| CDG | Charles deGaulle Airport, Paris, France |
| CDH | Camden, Arkansas, USA |
| CDJ | Conceicao Do Araguaia, PA, Brazil |
| CDK | Cedar Key, Florida USA |
| CDL | Candle, Alaska USA |
| CDQ | Croydon, Queensland, Australia |
| CDR | Chadron Municipal Airport, Chadron, Nebraska USA |
| CDV | Cordova, Alaska USA |
| CDW | Essex County Airport / Caldwell Airport, Caldwell, New Jersey USA |
| CDY | Cagayan De Sulu, Philippines |
| CEB | Cebu, Philippines |
| CEC | Crescent City, California USA |
| CED | Ceduna, South Australia, Australia |
| CEG | Chester, England, UK |
| CEI | Chiang Rai, Thailand |
| CEJ | Chernigov, Russia |
| CEK | Chelyabinsk, Russia |
| CEM | Central, Alaska USA |
| CEN | Ciudad Obregon, Mexico |
| CEO | Waco Kungo, Angola |