| Somain to Cabestany | 530.66 mi (854.02 km) |
| Somain to Cabries | 487.99 mi (785.35 km) |
| Somain to Cachan | 116.22 mi (187.03 km) |
| Somain to Caen | 182.06 mi (292.99 km) |
| Somain to Cagnes-sur-Mer | 496.89 mi (799.67 km) |
| Somain to Cahors | 417.27 mi (671.53 km) |
| Somain to Calais | 74.54 mi (119.95 km) |
| Somain to Caluire-et-Cuire | 323.39 mi (520.45 km) |
| Somain to Cambrai | 12.65 mi (20.35 km) |
| Somain to Canet-en-Roussillon | 528.85 mi (851.11 km) |
| Somain to Cannes | 501.96 mi (807.83 km) |
| Somain to Canteleu | 117.87 mi (189.70 km) |
| Somain to Capbreton | 514.14 mi (827.43 km) |
| Somain to Carcassonne | 495.79 mi (797.90 km) |
| Somain to Carmaux | 439.02 mi (706.53 km) |
