| No. | Airline name | Country |
| 241 | CHERKASSY | Ukraine |
| 242 | CHIASSO | Switzerland |
| 243 | CHIBA | Japan |
| 244 | CHICAGO | Illinois |
| 245 | CHIMBOTE | Chile |
| 246 | CHIMKENT | Kazakhstan |
| 247 | CHINGYUAN | Henan Province |
| 248 | CHISTIANSTED | ST. Croix |
| 249 | CHITA | Russia |
| 250 | CHITTAGONG | Bangladesh |
| 251 | CHIWAN | Guangdong Province |
| 252 | CHOLOMA | Honduras |
| 253 | CHONGQING | China |
| 254 | CHRISTCHURCH | New Zealand |
| 255 | CHRISTIANSTED | ST. Croix |
| 256 | CHUANGSHA | Jiangsu Province |
| 257 | CHUANSHA | Shanghai |
| 258 | CHUUK | Micronesia Islands |
| 259 | CHYMKENT | Kyrgyzstan |
| 260 | CINCINNATI | Ohio |
| 261 | CIUDAD DEL ESTE | Paraguay |
| 262 | CIVITAVECCHIA | Italy |
| 263 | CLERMONT-FERRAND | France |
| 264 | CLEVELAND | Ohio |
| 265 | COCHABAMBA | Bolivia |
| 266 | COCHIN | India |
| 267 | COCOSOLO | Panama |
| 268 | COIMBATORE | India |
| 269 | COLOGNE | Germany |
| 270 | COLOGNO MONZESE (Inland Point) | Italy |