| Douai to Carovigno | 968.84 mi (1,559.20 km) |
| Douai to Carpenedolo | 485.11 mi (780.71 km) |
| Douai to Carpi | 529.87 mi (852.75 km) |
| Douai to Carrara | 544.93 mi (876.97 km) |
| Douai to Carugate | 440.91 mi (709.58 km) |
| Douai to Casal di Principe | 836.21 mi (1,345.75 km) |
| Douai to Casale Monferrato | 439.47 mi (707.26 km) |
| Douai to Casale sul Sile | 539.52 mi (868.28 km) |
| Douai to Casalecchio di Reno | 558.41 mi (898.67 km) |
| Douai to Casalgrande | 535.79 mi (862.27 km) |
| Douai to Casalmaggiore | 504.39 mi (811.73 km) |
| Douai to Casalnuovo di Napoli | 848.43 mi (1,365.41 km) |
| Douai to Casalpusterlengo | 470.62 mi (757.39 km) |
| Douai to Casaluce | 839.18 mi (1,350.53 km) |
| Douai to Casamassima | 930.01 mi (1,496.70 km) |
