| Belfast to Cognac | 662.57 mi (1,066.31 km) |
| Belfast to Cogolin | 963.53 mi (1,550.65 km) |
| Belfast to Colmar | 727.01 mi (1,170.01 km) |
| Belfast to Colombes | 524.75 mi (844.50 km) |
| Belfast to Colomiers | 825.90 mi (1,329.15 km) |
| Belfast to Combs-la-Ville | 547.18 mi (880.60 km) |
| Belfast to Comines | 458.15 mi (737.32 km) |
| Belfast to Compiegne | 515.80 mi (830.09 km) |
| Belfast to Concarneau | 472.41 mi (760.27 km) |
| Belfast to Conde-sur-l'Escaut | 491.57 mi (791.11 km) |
| Belfast to Conflans-Sainte-Honorine | 516.31 mi (830.92 km) |
| Belfast to Corbas | 779.63 mi (1,254.70 km) |
| Belfast to Corbeil-Essonnes | 548.03 mi (881.97 km) |
| Belfast to Cormeilles-en-Parisis | 520.59 mi (837.81 km) |
| Belfast to Cosne sur Loire | 627.29 mi (1,009.52 km) |
