| Ironton to Sierpc | 4,607.29 mi (7,414.72 km) |
| Ironton to Skarzysko-Kamienna | 4,720.11 mi (7,596.28 km) |
| Ironton to Skawina | 4,725.96 mi (7,605.70 km) |
| Ironton to Skierniewice | 4,659.59 mi (7,498.88 km) |
| Ironton to Skoczow | 4,694.76 mi (7,555.49 km) |
| Ironton to Skwierzyna | 4,470.59 mi (7,194.72 km) |
| Ironton to Slawno | 4,449.19 mi (7,160.27 km) |
| Ironton to Slubice | 4,445.72 mi (7,154.69 km) |
| Ironton to Slupca | 4,566.14 mi (7,348.50 km) |
| Ironton to Slupsk | 4,457.51 mi (7,173.67 km) |
| Ironton to Sochaczew | 4,652.13 mi (7,486.88 km) |
| Ironton to Sokolka | 4,717.27 mi (7,591.71 km) |
| Ironton to Sokolow Podlaski | 4,715.39 mi (7,588.69 km) |
| Ironton to Solec Kujawski | 4,549.83 mi (7,322.24 km) |
| Ironton to Sopot | 4,510.54 mi (7,259.02 km) |
