| Douai to Carpentras | 446.00 mi (717.76 km) |
| Douai to Carquefou | 297.18 mi (478.26 km) |
| Douai to Carqueiranne | 522.24 mi (840.46 km) |
| Douai to Carrieres-sous-Poissy | 108.83 mi (175.14 km) |
| Douai to Carrieres-sur-Seine | 106.94 mi (172.11 km) |
| Douai to Carros | 495.13 mi (796.84 km) |
| Douai to Carvin | 9.97 mi (16.05 km) |
| Douai to Castanet-Tolosan | 479.50 mi (771.68 km) |
| Douai to Castelginest | 467.83 mi (752.91 km) |
| Douai to Castelnau-le-Lez | 466.91 mi (751.42 km) |
| Douai to Castelnaudary | 490.22 mi (788.93 km) |
| Douai to Castelsarrasin | 447.11 mi (719.55 km) |
| Douai to Castres | 469.48 mi (755.56 km) |
| Douai to Caudebec-les-Elbeuf | 118.74 mi (191.09 km) |
| Douai to Caudry | 22.46 mi (36.15 km) |
