| Boom to Carquefou | 371.87 mi (598.47 km) |
| Boom to Carqueiranne | 557.71 mi (897.54 km) |
| Boom to Carrieres-sous-Poissy | 180.13 mi (289.89 km) |
| Boom to Carrieres-sur-Seine | 176.19 mi (283.55 km) |
| Boom to Carros | 522.02 mi (840.10 km) |
| Boom to Carvin | 73.81 mi (118.79 km) |
| Boom to Castanet-Tolosan | 539.77 mi (868.67 km) |
| Boom to Castelginest | 528.59 mi (850.68 km) |
| Boom to Castelnau-le-Lez | 514.95 mi (828.74 km) |
| Boom to Castelnaudary | 548.27 mi (882.35 km) |
| Boom to Castelsarrasin | 509.69 mi (820.27 km) |
| Boom to Castres | 526.40 mi (847.15 km) |
| Boom to Caudebec-les-Elbeuf | 193.41 mi (311.26 km) |
| Boom to Caudry | 78.34 mi (126.08 km) |
| Boom to Cavaillon | 501.61 mi (807.27 km) |
