| Duffel to Cabries | 530.71 mi (854.10 km) |
| Duffel to Cachan | 186.71 mi (300.48 km) |
| Duffel to Caen | 253.74 mi (408.36 km) |
| Duffel to Cagnes-sur-Mer | 528.21 mi (850.07 km) |
| Duffel to Cahors | 481.21 mi (774.44 km) |
| Duffel to Calais | 116.08 mi (186.82 km) |
| Duffel to Caluire-et-Cuire | 366.83 mi (590.36 km) |
| Duffel to Cambrai | 84.97 mi (136.75 km) |
| Duffel to Canet-en-Roussillon | 584.32 mi (940.38 km) |
| Duffel to Cannes | 534.42 mi (860.07 km) |
| Duffel to Canteleu | 191.28 mi (307.84 km) |
| Duffel to Capbreton | 585.23 mi (941.84 km) |
| Duffel to Carcassonne | 554.50 mi (892.39 km) |
| Duffel to Carmaux | 499.34 mi (803.62 km) |
| Duffel to Carpentras | 487.34 mi (784.29 km) |
