| Iona to Sierpc | 5,229.63 mi (8,416.27 km) |
| Iona to Skarzysko-Kamienna | 5,330.76 mi (8,579.03 km) |
| Iona to Skawina | 5,322.75 mi (8,566.14 km) |
| Iona to Skierniewice | 5,275.29 mi (8,489.76 km) |
| Iona to Skoczow | 5,286.29 mi (8,507.46 km) |
| Iona to Skwierzyna | 5,078.01 mi (8,172.26 km) |
| Iona to Slawno | 5,076.23 mi (8,169.40 km) |
| Iona to Slubice | 5,048.04 mi (8,124.04 km) |
| Iona to Slupca | 5,177.78 mi (8,332.83 km) |
| Iona to Slupsk | 5,086.48 mi (8,185.90 km) |
| Iona to Sochaczew | 5,270.46 mi (8,481.98 km) |
| Iona to Sokolka | 5,355.70 mi (8,619.17 km) |
| Iona to Sokolow Podlaski | 5,341.53 mi (8,596.36 km) |
| Iona to Solec Kujawski | 5,169.68 mi (8,319.80 km) |
| Iona to Sopot | 5,143.56 mi (8,277.76 km) |
