| Groningen to Racale | 1,063.77 mi (1,711.98 km) |
| Groningen to Racconigi | 586.01 mi (943.09 km) |
| Groningen to Raffadali | 1,142.42 mi (1,838.55 km) |
| Groningen to Ragusa | 1,192.19 mi (1,918.65 km) |
| Groningen to Ramacca | 1,161.40 mi (1,869.09 km) |
| Groningen to Randazzo | 1,132.57 mi (1,822.70 km) |
| Groningen to Rapallo | 624.43 mi (1,004.92 km) |
| Groningen to Ravanusa | 1,157.81 mi (1,863.32 km) |
| Groningen to Ravenna | 659.39 mi (1,061.19 km) |
| Groningen to Recanati | 749.51 mi (1,206.21 km) |
| Groningen to Recco | 622.57 mi (1,001.93 km) |
| Groningen to Reggello | 696.48 mi (1,120.88 km) |
| Groningen to Reggio di Calabria | 1,129.76 mi (1,818.17 km) |
| Groningen to Reggio Emilia | 616.43 mi (992.05 km) |
| Groningen to Reggiolo | 604.61 mi (973.03 km) |
