| Solothurn to Carpentras | 249.17 mi (401.00 km) |
| Solothurn to Carquefou | 423.07 mi (680.87 km) |
| Solothurn to Carqueiranne | 293.51 mi (472.36 km) |
| Solothurn to Carrieres-sous-Poissy | 280.33 mi (451.14 km) |
| Solothurn to Carrieres-sur-Seine | 268.89 mi (432.73 km) |
| Solothurn to Carros | 238.54 mi (383.89 km) |
| Solothurn to Carvin | 307.31 mi (494.56 km) |
| Solothurn to Castanet-Tolosan | 388.67 mi (625.50 km) |
| Solothurn to Castelginest | 382.78 mi (616.03 km) |
| Solothurn to Castelnau-le-Lez | 303.54 mi (488.51 km) |
| Solothurn to Castelnaudary | 382.13 mi (614.98 km) |
| Solothurn to Castelsarrasin | 380.05 mi (611.63 km) |
| Solothurn to Castres | 357.78 mi (575.80 km) |
| Solothurn to Caudebec-les-Elbeuf | 331.68 mi (533.79 km) |
| Solothurn to Caudry | 275.14 mi (442.79 km) |
