| | IATA | ICAO | City | Region | State | Country | | CHQ | | Chania | | Crete Island | Greece |
| CHS | | Charleston | | SOUTH CAROLINA | USA |
| CIC | | Chico | | CALIFORNIA | USA |
| CID | | Cedar Rapids | | IOWA | USA |
| CIX | | Chiclayo | | | Peru |
| CJB | | Coimbatore | | | India |
| CJS | | Ciudad Juarez | | Chihuahua | Mexico |
| CJU | | Cheju | | | South Korea |
| CKB | | Clarksburg | | WEST VIRGINIA | USA |
| CKS | | Carajas | | Para | Brazil |
| CKY | | Conakry | | | Guinea |
| CLD | | Carlsbad | | CALIFORNIA | USA |
| CLE | | Cleveland | | OHIO | USA |
| CLJ | | Cluj | | | Romania |
| CLL | | College Station | | TEXAS | USA |
| CLO | | Cali | | | Colombia |
| CLQ | | Colima | | Colima | Mexico |
| CLT | | Charlotte | | NORTH CAROLINA | USA |
| CLY | | Calvi | | Corsica | France |
| CMB | | Colombo | | | Sri Lanka |
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