| Grez-Doiceau to Rheinberg | 99.73 mi (160.50 km) |
| Grez-Doiceau to Rheine | 158.99 mi (255.88 km) |
| Grez-Doiceau to Rheinfelden (Baden) | 259.88 mi (418.23 km) |
| Grez-Doiceau to Ribnitz-Damgarten | 406.81 mi (654.69 km) |
| Grez-Doiceau to Richterich | 59.76 mi (96.18 km) |
| Grez-Doiceau to Riedlingen | 278.65 mi (448.44 km) |
| Grez-Doiceau to Riegelsberg | 140.54 mi (226.18 km) |
| Grez-Doiceau to Rielasingen-Worblingen | 278.86 mi (448.79 km) |
| Grez-Doiceau to Riesa | 375.40 mi (604.14 km) |
| Grez-Doiceau to Rietberg | 177.40 mi (285.50 km) |
| Grez-Doiceau to Rinteln | 213.75 mi (344.00 km) |
| Grez-Doiceau to Ritterhude | 241.94 mi (389.37 km) |
| Grez-Doiceau to Rodenbach | 194.86 mi (313.60 km) |
| Grez-Doiceau to Rodental | 281.39 mi (452.86 km) |
| Grez-Doiceau to Rodgau | 190.84 mi (307.13 km) |
