| Douai to Cervello | 622.45 mi (1,001.73 km) |
| Douai to Cervera | 607.68 mi (977.97 km) |
| Douai to Ceuti | 875.84 mi (1,409.53 km) |
| Douai to Cheste | 774.48 mi (1,246.41 km) |
| Douai to Chiclana de la Frontera | 1,067.82 mi (1,718.49 km) |
| Douai to Chipiona | 1,053.86 mi (1,696.03 km) |
| Douai to Chiva | 775.45 mi (1,247.96 km) |
| Douai to Churriana de la Vega | 972.29 mi (1,564.74 km) |
| Douai to Ciempozuelos | 776.38 mi (1,249.46 km) |
| Douai to Cieza | 866.85 mi (1,395.06 km) |
| Douai to Cisterniga | 709.58 mi (1,141.97 km) |
| Douai to Ciudad de Melilla | 1,085.45 mi (1,746.87 km) |
| Douai to Ciudad Real | 857.72 mi (1,380.36 km) |
| Douai to Ciudad-Rodrigo | 819.03 mi (1,318.10 km) |
| Douai to Cocentaina | 821.54 mi (1,322.15 km) |
