| Douai to Catania | 1,068.49 mi (1,719.57 km) |
| Douai to Catanzaro | 1,031.14 mi (1,659.46 km) |
| Douai to Cattolica | 632.62 mi (1,018.10 km) |
| Douai to Cava de' Tirreni | 871.29 mi (1,402.21 km) |
| Douai to Cavallino | 1,007.24 mi (1,621.00 km) |
| Douai to Cavarzere | 552.17 mi (888.63 km) |
| Douai to Cave | 755.13 mi (1,215.26 km) |
| Douai to Cavriago | 523.34 mi (842.23 km) |
| Douai to Cavriglia | 616.81 mi (992.66 km) |
| Douai to Cazzago San Martino | 460.85 mi (741.66 km) |
| Douai to Ceccano | 781.15 mi (1,257.14 km) |
| Douai to Cecina | 600.27 mi (966.04 km) |
| Douai to Cefalu | 1,007.66 mi (1,621.67 km) |
| Douai to Ceglie Messapico | 965.67 mi (1,554.10 km) |
| Douai to Celano | 759.11 mi (1,221.67 km) |
