| Leon to Sierpc | 1,360.06 mi (2,188.81 km) |
| Leon to Skarzysko-Kamienna | 1,372.59 mi (2,208.97 km) |
| Leon to Skawina | 1,307.39 mi (2,104.04 km) |
| Leon to Skierniewice | 1,357.80 mi (2,185.17 km) |
| Leon to Skoczow | 1,259.21 mi (2,026.51 km) |
| Leon to Skwierzyna | 1,192.98 mi (1,919.92 km) |
| Leon to Slawno | 1,293.22 mi (2,081.24 km) |
| Leon to Slubice | 1,150.16 mi (1,851.00 km) |
| Leon to Slupca | 1,274.94 mi (2,051.82 km) |
| Leon to Slupsk | 1,309.28 mi (2,107.08 km) |
| Leon to Sochaczew | 1,367.01 mi (2,199.99 km) |
| Leon to Sokolka | 1,521.75 mi (2,449.01 km) |
| Leon to Sokolow Podlaski | 1,451.64 mi (2,336.20 km) |
| Leon to Solec Kujawski | 1,310.33 mi (2,108.77 km) |
| Leon to Sopot | 1,363.20 mi (2,193.85 km) |
