| Willebroek to Carquefou | 371.10 mi (597.23 km) |
| Willebroek to Carqueiranne | 556.57 mi (895.72 km) |
| Willebroek to Carrieres-sous-Poissy | 179.20 mi (288.40 km) |
| Willebroek to Carrieres-sur-Seine | 175.22 mi (281.99 km) |
| Willebroek to Carros | 520.91 mi (838.33 km) |
| Willebroek to Carvin | 73.19 mi (117.79 km) |
| Willebroek to Castanet-Tolosan | 538.66 mi (866.89 km) |
| Willebroek to Castelginest | 527.49 mi (848.91 km) |
| Willebroek to Castelnau-le-Lez | 513.81 mi (826.89 km) |
| Willebroek to Castelnaudary | 547.15 mi (880.55 km) |
| Willebroek to Castelsarrasin | 508.60 mi (818.52 km) |
| Willebroek to Castres | 525.27 mi (845.35 km) |
| Willebroek to Caudebec-les-Elbeuf | 192.69 mi (310.11 km) |
| Willebroek to Caudry | 77.38 mi (124.53 km) |
| Willebroek to Cavaillon | 500.47 mi (805.42 km) |
