| Frosinone to Reichenbach/Vogtland | 622.71 mi (1,002.15 km) |
| Frosinone to Reinbek | 832.96 mi (1,340.52 km) |
| Frosinone to Reinfeld | 853.22 mi (1,373.12 km) |
| Frosinone to Reinheim | 606.34 mi (975.82 km) |
| Frosinone to Reiskirchen | 655.90 mi (1,055.57 km) |
| Frosinone to Rellingen | 846.14 mi (1,361.72 km) |
| Frosinone to Remagen | 683.48 mi (1,099.96 km) |
| Frosinone to Remscheid | 721.34 mi (1,160.89 km) |
| Frosinone to Rendsburg | 891.30 mi (1,434.41 km) |
| Frosinone to Renningen | 537.43 mi (864.92 km) |
| Frosinone to Reutlingen | 514.29 mi (827.67 km) |
| Frosinone to Rhaude | 841.09 mi (1,353.60 km) |
| Frosinone to Rheda-Wiedenbruck | 744.31 mi (1,197.85 km) |
| Frosinone to Rhede | 771.12 mi (1,240.99 km) |
| Frosinone to Rheinau | 552.71 mi (889.49 km) |
