| Wealdstone to Sierpc | 848.16 mi (1,364.98 km) |
| Wealdstone to Skarzysko-Kamienna | 914.32 mi (1,471.46 km) |
| Wealdstone to Skawina | 885.07 mi (1,424.39 km) |
| Wealdstone to Skierniewice | 873.13 mi (1,405.17 km) |
| Wealdstone to Skoczow | 843.57 mi (1,357.59 km) |
| Wealdstone to Skwierzyna | 674.32 mi (1,085.21 km) |
| Wealdstone to Slawno | 730.96 mi (1,176.36 km) |
| Wealdstone to Slubice | 635.29 mi (1,022.39 km) |
| Wealdstone to Slupca | 774.65 mi (1,246.68 km) |
| Wealdstone to Slupsk | 746.11 mi (1,200.76 km) |
| Wealdstone to Sochaczew | 874.77 mi (1,407.81 km) |
| Wealdstone to Sokolka | 1,005.52 mi (1,618.23 km) |
| Wealdstone to Sokolow Podlaski | 958.46 mi (1,542.50 km) |
| Wealdstone to Solec Kujawski | 788.30 mi (1,268.65 km) |
| Wealdstone to Sopot | 807.22 mi (1,299.10 km) |
