| Viareggio to Sulakyurt | 1,227.24 mi (1,975.05 km) |
| Viareggio to Sultanbeyli | 987.84 mi (1,589.77 km) |
| Viareggio to Sultandagi | 1,147.64 mi (1,846.94 km) |
| Viareggio to Sultanhani | 1,269.31 mi (2,042.75 km) |
| Viareggio to Sultanhisar | 1,019.83 mi (1,641.26 km) |
| Viareggio to Suluova | 1,308.47 mi (2,105.77 km) |
| Viareggio to Sumbas | 1,415.61 mi (2,278.20 km) |
| Viareggio to Sungurlu | 1,259.94 mi (2,027.69 km) |
| Viareggio to Surmene | 1,528.99 mi (2,460.67 km) |
| Viareggio to Suruc | 1,547.90 mi (2,491.11 km) |
| Viareggio to Susehri | 1,444.88 mi (2,325.30 km) |
| Viareggio to Susurluk | 958.61 mi (1,542.74 km) |
| Viareggio to Susuz | 1,682.14 mi (2,707.14 km) |
| Viareggio to Sutculer | 1,168.08 mi (1,879.84 km) |
| Viareggio to Talas | 1,356.54 mi (2,183.14 km) |
