| Douai to Cabestany | 531.42 mi (855.24 km) |
| Douai to Cabries | 490.92 mi (790.06 km) |
| Douai to Cachan | 114.16 mi (183.72 km) |
| Douai to Caen | 174.54 mi (280.89 km) |
| Douai to Cagnes-sur-Mer | 501.29 mi (806.74 km) |
| Douai to Cahors | 416.39 mi (670.11 km) |
| Douai to Calais | 66.78 mi (107.47 km) |
| Douai to Caluire-et-Cuire | 326.50 mi (525.46 km) |
| Douai to Cambrai | 15.11 mi (24.31 km) |
| Douai to Canet-en-Roussillon | 529.67 mi (852.42 km) |
| Douai to Cannes | 506.22 mi (814.68 km) |
| Douai to Canteleu | 110.96 mi (178.57 km) |
| Douai to Capbreton | 511.02 mi (822.41 km) |
| Douai to Carcassonne | 496.00 mi (798.24 km) |
| Douai to Carmaux | 438.95 mi (706.42 km) |
