| Olfen to Carpentras | 540.18 mi (869.33 km) |
| Olfen to Carquefou | 501.26 mi (806.70 km) |
| Olfen to Carqueiranne | 598.81 mi (963.70 km) |
| Olfen to Carrieres-sous-Poissy | 303.46 mi (488.36 km) |
| Olfen to Carrieres-sur-Seine | 296.71 mi (477.50 km) |
| Olfen to Carros | 548.96 mi (883.47 km) |
| Olfen to Carvin | 209.73 mi (337.52 km) |
| Olfen to Castanet-Tolosan | 628.96 mi (1,012.21 km) |
| Olfen to Castelginest | 619.05 mi (996.27 km) |
| Olfen to Castelnau-le-Lez | 581.10 mi (935.19 km) |
| Olfen to Castelnaudary | 632.75 mi (1,018.31 km) |
| Olfen to Castelsarrasin | 604.39 mi (972.68 km) |
| Olfen to Castres | 609.19 mi (980.40 km) |
| Olfen to Caudebec-les-Elbeuf | 326.19 mi (524.95 km) |
| Olfen to Caudry | 204.94 mi (329.82 km) |
