| Duffel to Carquefou | 377.47 mi (607.49 km) |
| Duffel to Carqueiranne | 557.88 mi (897.83 km) |
| Duffel to Carrieres-sous-Poissy | 184.94 mi (297.64 km) |
| Duffel to Carrieres-sur-Seine | 180.72 mi (290.84 km) |
| Duffel to Carros | 521.41 mi (839.13 km) |
| Duffel to Carvin | 79.94 mi (128.66 km) |
| Duffel to Castanet-Tolosan | 542.65 mi (873.32 km) |
| Duffel to Castelginest | 531.54 mi (855.44 km) |
| Duffel to Castelnau-le-Lez | 516.45 mi (831.14 km) |
| Duffel to Castelnaudary | 550.88 mi (886.55 km) |
| Duffel to Castelsarrasin | 512.90 mi (825.43 km) |
| Duffel to Castres | 528.88 mi (851.15 km) |
| Duffel to Caudebec-les-Elbeuf | 199.24 mi (320.64 km) |
| Duffel to Caudry | 82.98 mi (133.54 km) |
| Duffel to Cavaillon | 502.38 mi (808.50 km) |
