| Viterbo to Rybnik | 612.08 mi (985.05 km) |
| Viterbo to Ryki | 785.70 mi (1,264.46 km) |
| Viterbo to Rypin | 810.01 mi (1,303.59 km) |
| Viterbo to Rzeszow | 706.30 mi (1,136.68 km) |
| Viterbo to Sandomierz | 730.96 mi (1,176.37 km) |
| Viterbo to Sanok | 690.58 mi (1,111.37 km) |
| Viterbo to Sedziszow Malopolski | 698.50 mi (1,124.13 km) |
| Viterbo to Sepolno Krajenskie | 801.93 mi (1,290.58 km) |
| Viterbo to Sidlice | 875.78 mi (1,409.43 km) |
| Viterbo to Siechnice | 641.28 mi (1,032.04 km) |
| Viterbo to Siedlce | 823.23 mi (1,324.86 km) |
| Viterbo to Siemianowice Slaskie | 633.76 mi (1,019.93 km) |
| Viterbo to Siemiatycze | 853.11 mi (1,372.95 km) |
| Viterbo to Sieradz | 706.73 mi (1,137.38 km) |
| Viterbo to Sierpc | 803.12 mi (1,292.49 km) |
