| West Chicago to Sierpc | 4,613.05 mi (7,423.98 km) |
| West Chicago to Skarzysko-Kamienna | 4,732.48 mi (7,616.19 km) |
| West Chicago to Skawina | 4,747.55 mi (7,640.44 km) |
| West Chicago to Skierniewice | 4,669.27 mi (7,514.46 km) |
| West Chicago to Skoczow | 4,720.23 mi (7,596.48 km) |
| West Chicago to Skwierzyna | 4,488.41 mi (7,223.40 km) |
| West Chicago to Slawno | 4,453.69 mi (7,167.51 km) |
| West Chicago to Slubice | 4,467.31 mi (7,189.45 km) |
| West Chicago to Slupca | 4,579.83 mi (7,370.52 km) |
| West Chicago to Slupsk | 4,460.53 mi (7,178.53 km) |
| West Chicago to Sochaczew | 4,660.10 mi (7,499.70 km) |
| West Chicago to Sokolka | 4,710.20 mi (7,580.33 km) |
| West Chicago to Sokolow Podlaski | 4,717.11 mi (7,591.46 km) |
| West Chicago to Solec Kujawski | 4,558.05 mi (7,335.47 km) |
| West Chicago to Sopot | 4,509.98 mi (7,258.11 km) |
