| Grez-Doiceau to Ratzeburg | 327.84 mi (527.61 km) |
| Grez-Doiceau to Raubling | 390.74 mi (628.84 km) |
| Grez-Doiceau to Rauenberg | 204.58 mi (329.23 km) |
| Grez-Doiceau to Raunheim | 172.48 mi (277.58 km) |
| Grez-Doiceau to Ravensburg | 300.88 mi (484.22 km) |
| Grez-Doiceau to Recke | 172.05 mi (276.89 km) |
| Grez-Doiceau to Recklinghausen | 121.83 mi (196.06 km) |
| Grez-Doiceau to Regen | 394.78 mi (635.33 km) |
| Grez-Doiceau to Regensburg | 349.32 mi (562.17 km) |
| Grez-Doiceau to Regenstauf | 348.43 mi (560.75 km) |
| Grez-Doiceau to Rehau | 323.21 mi (520.16 km) |
| Grez-Doiceau to Rehburg-Loccum | 226.92 mi (365.20 km) |
| Grez-Doiceau to Rehlingen-Siersburg | 128.82 mi (207.31 km) |
| Grez-Doiceau to Reichelsheim | 196.02 mi (315.46 km) |
| Grez-Doiceau to Reichenbach/Vogtland | 332.72 mi (535.47 km) |
