| Olten to Carpentras | 265.91 mi (427.94 km) |
| Olten to Carquefou | 439.67 mi (707.57 km) |
| Olten to Carqueiranne | 307.11 mi (494.25 km) |
| Olten to Carrieres-sous-Poissy | 291.79 mi (469.59 km) |
| Olten to Carrieres-sur-Seine | 280.24 mi (451.01 km) |
| Olten to Carros | 249.53 mi (401.58 km) |
| Olten to Carvin | 312.12 mi (502.31 km) |
| Olten to Castanet-Tolosan | 407.85 mi (656.37 km) |
| Olten to Castelginest | 402.06 mi (647.05 km) |
| Olten to Castelnau-le-Lez | 321.33 mi (517.13 km) |
| Olten to Castelnaudary | 401.04 mi (645.42 km) |
| Olten to Castelsarrasin | 399.49 mi (642.91 km) |
| Olten to Castres | 376.73 mi (606.29 km) |
| Olten to Caudebec-les-Elbeuf | 342.92 mi (551.87 km) |
| Olten to Caudry | 280.25 mi (451.02 km) |
