| Grez-Doiceau to Reinbek | 303.46 mi (488.37 km) |
| Grez-Doiceau to Reinfeld | 324.83 mi (522.76 km) |
| Grez-Doiceau to Reinheim | 192.81 mi (310.29 km) |
| Grez-Doiceau to Reiskirchen | 181.22 mi (291.65 km) |
| Grez-Doiceau to Rellingen | 295.80 mi (476.05 km) |
| Grez-Doiceau to Remagen | 111.36 mi (179.21 km) |
| Grez-Doiceau to Remscheid | 113.15 mi (182.10 km) |
| Grez-Doiceau to Rendsburg | 322.86 mi (519.59 km) |
| Grez-Doiceau to Renningen | 232.78 mi (374.62 km) |
| Grez-Doiceau to Reutlingen | 255.00 mi (410.38 km) |
| Grez-Doiceau to Rhaude | 207.33 mi (333.66 km) |
| Grez-Doiceau to Rheda-Wiedenbruck | 173.37 mi (279.00 km) |
| Grez-Doiceau to Rhede | 115.11 mi (185.25 km) |
| Grez-Doiceau to Rheinau | 203.09 mi (326.85 km) |
| Grez-Doiceau to Rheinbach | 98.74 mi (158.90 km) |
