| Pottstown to Sierpc | 4,269.74 mi (6,871.48 km) |
| Pottstown to Skarzysko-Kamienna | 4,378.46 mi (7,046.45 km) |
| Pottstown to Skawina | 4,379.45 mi (7,048.05 km) |
| Pottstown to Skierniewice | 4,319.64 mi (6,951.80 km) |
| Pottstown to Skoczow | 4,346.41 mi (6,994.88 km) |
| Pottstown to Skwierzyna | 4,127.11 mi (6,641.94 km) |
| Pottstown to Slawno | 4,113.07 mi (6,619.35 km) |
| Pottstown to Slubice | 4,100.36 mi (6,598.90 km) |
| Pottstown to Slupca | 4,224.45 mi (6,798.59 km) |
| Pottstown to Slupsk | 4,122.19 mi (6,634.02 km) |
| Pottstown to Sochaczew | 4,313.16 mi (6,941.35 km) |
| Pottstown to Sokolka | 4,386.49 mi (7,059.37 km) |
| Pottstown to Sokolow Podlaski | 4,379.60 mi (7,048.29 km) |
| Pottstown to Solec Kujawski | 4,211.17 mi (6,777.22 km) |
| Pottstown to Sopot | 4,177.00 mi (6,722.23 km) |
