| Douai to Campos del Puerto | 755.94 mi (1,216.57 km) |
| Douai to Canals | 808.42 mi (1,301.03 km) |
| Douai to Candelaria | 1,830.03 mi (2,945.16 km) |
| Douai to Canet de Mar | 607.13 mi (977.07 km) |
| Douai to Cangas | 794.54 mi (1,278.68 km) |
| Douai to Cangas de Narcea | 673.22 mi (1,083.44 km) |
| Douai to Canovellas | 606.03 mi (975.32 km) |
| Douai to Canteras | 904.72 mi (1,456.01 km) |
| Douai to Cantillana | 985.40 mi (1,585.84 km) |
| Douai to Capdepera | 737.52 mi (1,186.93 km) |
| Douai to Carballo | 742.73 mi (1,195.31 km) |
| Douai to Carcagente | 796.06 mi (1,281.13 km) |
| Douai to Cardedeu | 604.22 mi (972.40 km) |
| Douai to Carlet | 789.78 mi (1,271.02 km) |
| Douai to Carmona | 989.88 mi (1,593.06 km) |
