| Welling to Carpentras | 560.31 mi (901.73 km) |
| Welling to Carquefou | 296.48 mi (477.13 km) |
| Welling to Carqueiranne | 641.47 mi (1,032.35 km) |
| Welling to Carrieres-sous-Poissy | 193.35 mi (311.17 km) |
| Welling to Carrieres-sur-Seine | 200.73 mi (323.05 km) |
| Welling to Carros | 624.58 mi (1,005.17 km) |
| Welling to Carvin | 140.74 mi (226.51 km) |
| Welling to Castanet-Tolosan | 552.65 mi (889.40 km) |
| Welling to Castelginest | 540.07 mi (869.16 km) |
| Welling to Castelnau-le-Lez | 568.48 mi (914.88 km) |
| Welling to Castelnaudary | 569.04 mi (915.77 km) |
| Welling to Castelsarrasin | 514.71 mi (828.34 km) |
| Welling to Castres | 552.07 mi (888.47 km) |
| Welling to Caudebec-les-Elbeuf | 155.79 mi (250.72 km) |
| Welling to Caudry | 171.15 mi (275.43 km) |
