| Birsfelden to Carpentras | 271.57 mi (437.05 km) |
| Birsfelden to Carquefou | 426.26 mi (686.00 km) |
| Birsfelden to Carqueiranne | 317.09 mi (510.30 km) |
| Birsfelden to Carrieres-sous-Poissy | 274.33 mi (441.49 km) |
| Birsfelden to Carrieres-sur-Seine | 262.75 mi (422.85 km) |
| Birsfelden to Carros | 262.05 mi (421.73 km) |
| Birsfelden to Carvin | 293.04 mi (471.60 km) |
| Birsfelden to Castanet-Tolosan | 406.84 mi (654.75 km) |
| Birsfelden to Castelginest | 400.52 mi (644.57 km) |
| Birsfelden to Castelnau-le-Lez | 324.86 mi (522.81 km) |
| Birsfelden to Castelnaudary | 401.26 mi (645.77 km) |
| Birsfelden to Castelsarrasin | 396.59 mi (638.25 km) |
| Birsfelden to Castres | 376.83 mi (606.45 km) |
| Birsfelden to Caudebec-les-Elbeuf | 325.30 mi (523.52 km) |
| Birsfelden to Caudry | 261.18 mi (420.33 km) |
