| Walthamstow to Sierpc | 835.26 mi (1,344.22 km) |
| Walthamstow to Skarzysko-Kamienna | 901.00 mi (1,450.02 km) |
| Walthamstow to Skawina | 871.60 mi (1,402.70 km) |
| Walthamstow to Skierniewice | 859.97 mi (1,383.99 km) |
| Walthamstow to Skoczow | 830.07 mi (1,335.87 km) |
| Walthamstow to Skwierzyna | 661.30 mi (1,064.27 km) |
| Walthamstow to Slawno | 718.74 mi (1,156.70 km) |
| Walthamstow to Slubice | 622.18 mi (1,001.29 km) |
| Walthamstow to Slupca | 761.55 mi (1,225.60 km) |
| Walthamstow to Slupsk | 733.94 mi (1,181.17 km) |
| Walthamstow to Sochaczew | 861.68 mi (1,386.74 km) |
| Walthamstow to Sokolka | 992.82 mi (1,597.79 km) |
| Walthamstow to Sokolow Podlaski | 945.45 mi (1,521.55 km) |
| Walthamstow to Solec Kujawski | 775.47 mi (1,248.00 km) |
| Walthamstow to Sopot | 794.98 mi (1,279.40 km) |
