| Westminster to Sierpc | 841.53 mi (1,354.31 km) |
| Westminster to Skarzysko-Kamienna | 906.57 mi (1,458.99 km) |
| Westminster to Skawina | 876.59 mi (1,410.74 km) |
| Westminster to Skierniewice | 865.87 mi (1,393.49 km) |
| Westminster to Skoczow | 834.89 mi (1,343.62 km) |
| Westminster to Skwierzyna | 667.43 mi (1,074.12 km) |
| Westminster to Slawno | 725.62 mi (1,167.78 km) |
| Westminster to Slubice | 628.16 mi (1,010.93 km) |
| Westminster to Slupca | 767.55 mi (1,235.25 km) |
| Westminster to Slupsk | 740.85 mi (1,192.28 km) |
| Westminster to Sochaczew | 867.70 mi (1,396.42 km) |
| Westminster to Sokolka | 999.30 mi (1,608.21 km) |
| Westminster to Sokolow Podlaski | 951.57 mi (1,531.40 km) |
| Westminster to Solec Kujawski | 781.82 mi (1,258.21 km) |
| Westminster to Sopot | 801.84 mi (1,290.43 km) |
