| Douai to Ratzeburg | 398.62 mi (641.52 km) |
| Douai to Raubling | 445.35 mi (716.72 km) |
| Douai to Rauenberg | 261.96 mi (421.58 km) |
| Douai to Raunheim | 238.74 mi (384.21 km) |
| Douai to Ravensburg | 345.30 mi (555.71 km) |
| Douai to Recke | 243.04 mi (391.14 km) |
| Douai to Recklinghausen | 196.34 mi (315.97 km) |
| Douai to Regen | 459.53 mi (739.54 km) |
| Douai to Regensburg | 412.86 mi (664.43 km) |
| Douai to Regenstauf | 412.78 mi (664.31 km) |
| Douai to Rehau | 394.18 mi (634.37 km) |
| Douai to Rehburg-Loccum | 300.49 mi (483.60 km) |
| Douai to Rehlingen-Siersburg | 174.57 mi (280.94 km) |
| Douai to Reichelsheim | 259.49 mi (417.61 km) |
| Douai to Reichenbach/Vogtland | 405.35 mi (652.35 km) |
