| Viareggio to Skarzysko-Kamienna | 704.95 mi (1,134.50 km) |
| Viareggio to Skawina | 618.00 mi (994.58 km) |
| Viareggio to Skierniewice | 722.07 mi (1,162.06 km) |
| Viareggio to Skoczow | 574.56 mi (924.67 km) |
| Viareggio to Skwierzyna | 649.52 mi (1,045.29 km) |
| Viareggio to Slawno | 780.14 mi (1,255.51 km) |
| Viareggio to Slubice | 618.72 mi (995.73 km) |
| Viareggio to Slupca | 679.64 mi (1,093.77 km) |
| Viareggio to Slupsk | 792.86 mi (1,275.99 km) |
| Viareggio to Sochaczew | 738.00 mi (1,187.69 km) |
| Viareggio to Sokolka | 891.52 mi (1,434.76 km) |
| Viareggio to Sokolow Podlaski | 806.50 mi (1,297.94 km) |
| Viareggio to Solec Kujawski | 733.25 mi (1,180.06 km) |
| Viareggio to Sopot | 820.79 mi (1,320.93 km) |
| Viareggio to Sosnowiec | 608.46 mi (979.22 km) |
