| Irmo to Sierpc | 4,790.53 mi (7,709.62 km) |
| Irmo to Skarzysko-Kamienna | 4,898.08 mi (7,882.70 km) |
| Irmo to Skawina | 4,897.40 mi (7,881.61 km) |
| Irmo to Skierniewice | 4,839.80 mi (7,788.90 km) |
| Irmo to Skoczow | 4,863.64 mi (7,827.27 km) |
| Irmo to Skwierzyna | 4,646.31 mi (7,477.51 km) |
| Irmo to Slawno | 4,634.26 mi (7,458.12 km) |
| Irmo to Slubice | 4,618.94 mi (7,433.47 km) |
| Irmo to Slupca | 4,744.15 mi (7,634.97 km) |
| Irmo to Slupsk | 4,643.54 mi (7,473.06 km) |
| Irmo to Sochaczew | 4,833.57 mi (7,778.88 km) |
| Irmo to Sokolka | 4,908.56 mi (7,899.56 km) |
| Irmo to Sokolow Podlaski | 4,900.75 mi (7,886.99 km) |
| Irmo to Solec Kujawski | 4,731.72 mi (7,614.97 km) |
| Irmo to Sopot | 4,698.68 mi (7,561.79 km) |
