| Duffel to Cogolin | 550.34 mi (885.68 km) |
| Duffel to Colmar | 244.21 mi (393.01 km) |
| Duffel to Colombes | 180.87 mi (291.09 km) |
| Duffel to Colomiers | 538.09 mi (865.98 km) |
| Duffel to Combs-la-Ville | 189.13 mi (304.38 km) |
| Duffel to Comines | 69.75 mi (112.26 km) |
| Duffel to Compiegne | 138.38 mi (222.71 km) |
| Duffel to Concarneau | 438.92 mi (706.38 km) |
| Duffel to Conde-sur-l'Escaut | 60.49 mi (97.35 km) |
| Duffel to Conflans-Sainte-Honorine | 180.48 mi (290.46 km) |
| Duffel to Corbas | 375.72 mi (604.67 km) |
| Duffel to Corbeil-Essonnes | 194.20 mi (312.53 km) |
| Duffel to Cormeilles-en-Parisis | 179.25 mi (288.47 km) |
| Duffel to Cosne sur Loire | 264.83 mi (426.20 km) |
| Duffel to Coudekerque-Branche | 92.42 mi (148.73 km) |
