| Belfast to Cortona | 1,122.26 mi (1,806.11 km) |
| Belfast to Cosenza | 1,474.86 mi (2,373.55 km) |
| Belfast to Cossato | 880.02 mi (1,416.26 km) |
| Belfast to Costa Volpino | 928.42 mi (1,494.14 km) |
| Belfast to Creazzo | 989.61 mi (1,592.63 km) |
| Belfast to Crema | 938.43 mi (1,510.26 km) |
| Belfast to Cremona | 961.79 mi (1,547.86 km) |
| Belfast to Crevalcore | 1,019.63 mi (1,640.93 km) |
| Belfast to Crispiano | 1,436.85 mi (2,312.38 km) |
| Belfast to Crosia | 1,476.95 mi (2,376.93 km) |
| Belfast to Crotone | 1,514.83 mi (2,437.88 km) |
| Belfast to Cuneo | 926.31 mi (1,490.75 km) |
| Belfast to Cuorgne | 873.71 mi (1,406.11 km) |
| Belfast to Cusano Milanino | 912.89 mi (1,469.16 km) |
| Belfast to Cutro | 1,513.24 mi (2,435.33 km) |
