| Douai to Busto Garolfo | 427.81 mi (688.50 km) |
| Douai to Cabras | 768.07 mi (1,236.08 km) |
| Douai to Cadelbosco di Sopra | 521.83 mi (839.81 km) |
| Douai to Cadoneghe | 532.04 mi (856.24 km) |
| Douai to Cagli | 651.51 mi (1,048.51 km) |
| Douai to Cagliari | 824.09 mi (1,326.24 km) |
| Douai to Cairo Montenotte | 478.37 mi (769.85 km) |
| Douai to Caivano | 845.03 mi (1,359.95 km) |
| Douai to Calcinaia | 582.06 mi (936.74 km) |
| Douai to Calcinato | 479.78 mi (772.14 km) |
| Douai to Calderara di Reno | 553.49 mi (890.76 km) |
| Douai to Caldogno | 509.45 mi (819.88 km) |
| Douai to Calenzano | 587.98 mi (946.26 km) |
| Douai to Calolziocorte | 430.68 mi (693.12 km) |
| Douai to Caltagirone | 1,068.93 mi (1,720.27 km) |
