| Viterbo to Ratingen | 661.52 mi (1,064.62 km) |
| Viterbo to Ratzeburg | 781.94 mi (1,258.40 km) |
| Viterbo to Raubling | 371.00 mi (597.06 km) |
| Viterbo to Rauenberg | 500.60 mi (805.64 km) |
| Viterbo to Raunheim | 553.10 mi (890.14 km) |
| Viterbo to Ravensburg | 390.02 mi (627.68 km) |
| Viterbo to Recke | 717.17 mi (1,154.18 km) |
| Viterbo to Recklinghausen | 674.40 mi (1,085.34 km) |
| Viterbo to Regen | 455.14 mi (732.47 km) |
| Viterbo to Regensburg | 455.89 mi (733.68 km) |
| Viterbo to Regenstauf | 463.27 mi (745.56 km) |
| Viterbo to Rehau | 541.11 mi (870.84 km) |
| Viterbo to Rehburg-Loccum | 706.10 mi (1,136.36 km) |
| Viterbo to Rehlingen-Siersburg | 546.16 mi (878.95 km) |
| Viterbo to Reichelsheim | 527.72 mi (849.29 km) |
