| Thornton Heath to Sierpc | 842.05 mi (1,355.15 km) |
| Thornton Heath to Skarzysko-Kamienna | 906.21 mi (1,458.40 km) |
| Thornton Heath to Skawina | 875.58 mi (1,409.11 km) |
| Thornton Heath to Skierniewice | 865.91 mi (1,393.55 km) |
| Thornton Heath to Skoczow | 833.69 mi (1,341.69 km) |
| Thornton Heath to Skwierzyna | 667.77 mi (1,074.68 km) |
| Thornton Heath to Slawno | 727.07 mi (1,170.11 km) |
| Thornton Heath to Slubice | 628.33 mi (1,011.20 km) |
| Thornton Heath to Slupca | 767.72 mi (1,235.52 km) |
| Thornton Heath to Slupsk | 742.35 mi (1,194.69 km) |
| Thornton Heath to Sochaczew | 867.88 mi (1,396.72 km) |
| Thornton Heath to Sokolka | 1,000.11 mi (1,609.52 km) |
| Thornton Heath to Sokolow Podlaski | 951.89 mi (1,531.92 km) |
| Thornton Heath to Solec Kujawski | 782.45 mi (1,259.24 km) |
| Thornton Heath to Sopot | 803.25 mi (1,292.71 km) |
