| Viterbo to Sevnica | 294.32 mi (473.66 km) |
| Viterbo to Sezana | 243.30 mi (391.55 km) |
| Viterbo to Skocjan | 288.12 mi (463.68 km) |
| Viterbo to Skofja Loka | 280.87 mi (452.02 km) |
| Viterbo to Skofljica | 275.04 mi (442.63 km) |
| Viterbo to Slovenj Gradec | 318.39 mi (512.40 km) |
| Viterbo to Slovenska Bistrica | 323.43 mi (520.51 km) |
| Viterbo to Slovenske Konjice | 316.49 mi (509.35 km) |
| Viterbo to Smarje | 312.59 mi (503.07 km) |
| Viterbo to Smarjeske Toplice | 283.67 mi (456.53 km) |
| Viterbo to Smartno | 284.88 mi (458.47 km) |
| Viterbo to Smartno | 306.44 mi (493.17 km) |
| Viterbo to Sodrazica | 262.91 mi (423.12 km) |
| Viterbo to Solcava | 304.50 mi (490.04 km) |
| Viterbo to Sostanj | 309.83 mi (498.62 km) |
