| Douai to Rodez | 416.67 mi (670.56 km) |
| Douai to Rognac | 486.27 mi (782.58 km) |
| Douai to Roissy-en-Brie | 110.89 mi (178.47 km) |
| Douai to Romainville | 106.75 mi (171.79 km) |
| Douai to Romans-sur-Isere | 379.13 mi (610.15 km) |
| Douai to Rombas | 155.15 mi (249.69 km) |
| Douai to Romilly-sur-Seine | 131.46 mi (211.56 km) |
| Douai to Ronchin | 16.12 mi (25.95 km) |
| Douai to Roncq | 26.47 mi (42.59 km) |
| Douai to Roquebrune-sur-Argens | 507.14 mi (816.16 km) |
| Douai to Roquevaire | 499.54 mi (803.93 km) |
| Douai to Rosny-sous-Bois | 107.34 mi (172.75 km) |
| Douai to Roubaix | 22.47 mi (36.16 km) |
| Douai to Rouen | 109.40 mi (176.06 km) |
| Douai to Rouvroy | 7.91 mi (12.73 km) |
