| Harper Woods to Sierpc | 4,410.48 mi (7,097.98 km) |
| Harper Woods to Skarzysko-Kamienna | 4,526.80 mi (7,285.18 km) |
| Harper Woods to Skawina | 4,537.44 mi (7,302.30 km) |
| Harper Woods to Skierniewice | 4,464.83 mi (7,185.45 km) |
| Harper Woods to Skoczow | 4,508.25 mi (7,255.33 km) |
| Harper Woods to Skwierzyna | 4,279.77 mi (6,887.62 km) |
| Harper Woods to Slawno | 4,251.53 mi (6,842.18 km) |
| Harper Woods to Slubice | 4,256.83 mi (6,850.71 km) |
| Harper Woods to Slupca | 4,373.31 mi (7,038.16 km) |
| Harper Woods to Slupsk | 4,259.13 mi (6,854.41 km) |
| Harper Woods to Sochaczew | 4,456.49 mi (7,172.03 km) |
| Harper Woods to Sokolka | 4,514.28 mi (7,265.03 km) |
| Harper Woods to Sokolow Podlaski | 4,516.71 mi (7,268.94 km) |
| Harper Woods to Solec Kujawski | 4,354.18 mi (7,007.38 km) |
| Harper Woods to Sopot | 4,310.46 mi (6,937.02 km) |
