| Smithville to Sierpc | 4,951.56 mi (7,968.76 km) |
| Smithville to Skarzysko-Kamienna | 5,073.39 mi (8,164.83 km) |
| Smithville to Skawina | 5,092.12 mi (8,194.97 km) |
| Smithville to Skierniewice | 5,009.26 mi (8,061.63 km) |
| Smithville to Skoczow | 5,066.37 mi (8,153.54 km) |
| Smithville to Skwierzyna | 4,832.25 mi (7,776.76 km) |
| Smithville to Slawno | 4,792.18 mi (7,712.27 km) |
| Smithville to Slubice | 4,812.69 mi (7,745.27 km) |
| Smithville to Slupca | 4,921.74 mi (7,920.77 km) |
| Smithville to Slupsk | 4,798.38 mi (7,722.24 km) |
| Smithville to Sochaczew | 4,999.39 mi (8,045.75 km) |
| Smithville to Sokolka | 5,042.73 mi (8,115.49 km) |
| Smithville to Sokolow Podlaski | 5,053.55 mi (8,132.90 km) |
| Smithville to Solec Kujawski | 4,897.78 mi (7,882.21 km) |
| Smithville to Sopot | 4,846.11 mi (7,799.06 km) |
