| Groningen to Rodgau | 242.38 mi (390.07 km) |
| Groningen to Roding | 378.37 mi (608.93 km) |
| Groningen to Rodinghausen | 104.08 mi (167.50 km) |
| Groningen to Roetgen | 178.03 mi (286.51 km) |
| Groningen to Rommerskirchen | 150.85 mi (242.78 km) |
| Groningen to Ronnenberg | 143.23 mi (230.50 km) |
| Groningen to Rosbach vor der Hohe | 221.29 mi (356.13 km) |
| Groningen to Rosdorf | 183.96 mi (296.05 km) |
| Groningen to Rosenheim | 443.84 mi (714.30 km) |
| Groningen to Rosrath | 162.20 mi (261.03 km) |
| Groningen to Rossdorf | 250.36 mi (402.91 km) |
| Groningen to Rosstal | 322.83 mi (519.55 km) |
| Groningen to Rostock | 235.63 mi (379.21 km) |
| Groningen to Rotenburg an der Fulda | 203.76 mi (327.93 km) |
| Groningen to Roth | 336.87 mi (542.14 km) |
