| Somain to Cognac | 362.61 mi (583.56 km) |
| Somain to Cogolin | 514.27 mi (827.64 km) |
| Somain to Colmar | 241.91 mi (389.31 km) |
| Somain to Colombes | 109.23 mi (175.79 km) |
| Somain to Colomiers | 474.81 mi (764.14 km) |
| Somain to Combs-la-Ville | 120.99 mi (194.71 km) |
| Somain to Comines | 30.34 mi (48.83 km) |
| Somain to Compiegne | 68.23 mi (109.81 km) |
| Somain to Concarneau | 367.76 mi (591.85 km) |
| Somain to Conde-sur-l'Escaut | 15.06 mi (24.24 km) |
| Somain to Conflans-Sainte-Honorine | 107.70 mi (173.33 km) |
| Somain to Corbas | 332.54 mi (535.17 km) |
| Somain to Corbeil-Essonnes | 125.68 mi (202.27 km) |
| Somain to Cormeilles-en-Parisis | 107.08 mi (172.33 km) |
| Somain to Cosne sur Loire | 204.27 mi (328.74 km) |
