| West Ham to Sierpc | 834.89 mi (1,343.62 km) |
| West Ham to Skarzysko-Kamienna | 900.14 mi (1,448.64 km) |
| West Ham to Skawina | 870.39 mi (1,400.75 km) |
| West Ham to Skierniewice | 859.33 mi (1,382.96 km) |
| West Ham to Skoczow | 828.76 mi (1,333.76 km) |
| West Ham to Skwierzyna | 660.82 mi (1,063.49 km) |
| West Ham to Slawno | 718.89 mi (1,156.94 km) |
| West Ham to Slubice | 621.60 mi (1,000.36 km) |
| West Ham to Slupca | 760.98 mi (1,224.68 km) |
| West Ham to Slupsk | 734.12 mi (1,181.45 km) |
| West Ham to Sochaczew | 861.12 mi (1,385.84 km) |
| West Ham to Sokolka | 992.61 mi (1,597.45 km) |
| West Ham to Sokolow Podlaski | 944.97 mi (1,520.78 km) |
| West Ham to Solec Kujawski | 775.16 mi (1,247.50 km) |
| West Ham to Sopot | 795.11 mi (1,279.60 km) |
