| Monte Porzio Catone to Ratingen | 711.48 mi (1,145.02 km) |
| Monte Porzio Catone to Ratzeburg | 826.04 mi (1,329.38 km) |
| Monte Porzio Catone to Raubling | 413.67 mi (665.74 km) |
| Monte Porzio Catone to Rauenberg | 550.03 mi (885.18 km) |
| Monte Porzio Catone to Raunheim | 602.29 mi (969.28 km) |
| Monte Porzio Catone to Ravensburg | 439.35 mi (707.07 km) |
| Monte Porzio Catone to Recke | 765.65 mi (1,232.20 km) |
| Monte Porzio Catone to Recklinghausen | 723.91 mi (1,165.01 km) |
| Monte Porzio Catone to Regen | 494.43 mi (795.71 km) |
| Monte Porzio Catone to Regensburg | 498.41 mi (802.12 km) |
| Monte Porzio Catone to Regenstauf | 505.66 mi (813.78 km) |
| Monte Porzio Catone to Rehau | 583.64 mi (939.28 km) |
| Monte Porzio Catone to Rehburg-Loccum | 752.79 mi (1,211.50 km) |
| Monte Porzio Catone to Rehlingen-Siersburg | 597.44 mi (961.49 km) |
| Monte Porzio Catone to Reichelsheim | 576.62 mi (927.97 km) |
