| Groningen to Rheinbach | 179.24 mi (288.46 km) |
| Groningen to Rheinberg | 115.39 mi (185.71 km) |
| Groningen to Rheine | 73.98 mi (119.05 km) |
| Groningen to Rheinfelden (Baden) | 394.46 mi (634.82 km) |
| Groningen to Ribnitz-Damgarten | 251.40 mi (404.59 km) |
| Groningen to Richterich | 167.76 mi (269.98 km) |
| Groningen to Riedlingen | 372.05 mi (598.75 km) |
| Groningen to Riegelsberg | 271.49 mi (436.92 km) |
| Groningen to Rielasingen-Worblingen | 391.69 mi (630.36 km) |
| Groningen to Riesa | 313.40 mi (504.36 km) |
| Groningen to Rietberg | 125.46 mi (201.91 km) |
| Groningen to Rinteln | 126.92 mi (204.25 km) |
| Groningen to Ritterhude | 90.71 mi (145.99 km) |
| Groningen to Rodenbach | 236.74 mi (380.99 km) |
| Groningen to Rodental | 279.41 mi (449.67 km) |
