| Allentown to Sierpc | 4,246.25 mi (6,833.67 km) |
| Allentown to Skarzysko-Kamienna | 4,355.18 mi (7,008.99 km) |
| Allentown to Skawina | 4,356.46 mi (7,011.04 km) |
| Allentown to Skierniewice | 4,296.28 mi (6,914.19 km) |
| Allentown to Skoczow | 4,323.52 mi (6,958.04 km) |
| Allentown to Skwierzyna | 4,103.91 mi (6,604.61 km) |
| Allentown to Slawno | 4,089.49 mi (6,581.40 km) |
| Allentown to Slubice | 4,077.27 mi (6,561.74 km) |
| Allentown to Slupca | 4,201.16 mi (6,761.12 km) |
| Allentown to Slupsk | 4,098.58 mi (6,596.02 km) |
| Allentown to Sochaczew | 4,289.74 mi (6,903.66 km) |
| Allentown to Sokolka | 4,362.69 mi (7,021.07 km) |
| Allentown to Sokolow Podlaski | 4,356.03 mi (7,010.35 km) |
| Allentown to Solec Kujawski | 4,187.73 mi (6,739.49 km) |
| Allentown to Sopot | 4,153.31 mi (6,684.10 km) |
