| Sopelana to Carpentras | 403.43 mi (649.26 km) |
| Sopelana to Carquefou | 279.99 mi (450.59 km) |
| Sopelana to Carqueiranne | 455.88 mi (733.67 km) |
| Sopelana to Carrieres-sous-Poissy | 453.17 mi (729.31 km) |
| Sopelana to Carrieres-sur-Seine | 457.51 mi (736.30 km) |
| Sopelana to Carros | 509.58 mi (820.08 km) |
| Sopelana to Carvin | 565.17 mi (909.56 km) |
| Sopelana to Castanet-Tolosan | 224.75 mi (361.70 km) |
| Sopelana to Castelginest | 222.01 mi (357.29 km) |
| Sopelana to Castelnau-le-Lez | 345.17 mi (555.50 km) |
| Sopelana to Castelnaudary | 247.86 mi (398.89 km) |
| Sopelana to Castelsarrasin | 209.06 mi (336.45 km) |
| Sopelana to Castres | 262.51 mi (422.47 km) |
| Sopelana to Caudebec-les-Elbeuf | 449.91 mi (724.07 km) |
| Sopelana to Caudry | 555.08 mi (893.31 km) |
