| Duffel to Cervello | 681.40 mi (1,096.61 km) |
| Duffel to Cervera | 669.78 mi (1,077.90 km) |
| Duffel to Ceuti | 942.94 mi (1,517.52 km) |
| Duffel to Cheste | 841.21 mi (1,353.79 km) |
| Duffel to Chiclana de la Frontera | 1,142.96 mi (1,839.42 km) |
| Duffel to Chipiona | 1,129.61 mi (1,817.93 km) |
| Duffel to Chiva | 842.27 mi (1,355.50 km) |
| Duffel to Churriana de la Vega | 1,043.95 mi (1,680.07 km) |
| Duffel to Ciempozuelos | 850.80 mi (1,369.22 km) |
| Duffel to Cieza | 934.46 mi (1,503.87 km) |
| Duffel to Cisterniga | 787.20 mi (1,266.87 km) |
| Duffel to Ciudad de Melilla | 1,154.29 mi (1,857.65 km) |
| Duffel to Ciudad Real | 931.50 mi (1,499.11 km) |
| Duffel to Ciudad-Rodrigo | 897.76 mi (1,444.81 km) |
| Duffel to Cocentaina | 886.91 mi (1,427.34 km) |
