| Ironton to Senftenberg | 4,454.83 mi (7,169.36 km) |
| Ironton to Siegburg | 4,219.34 mi (6,790.38 km) |
| Ironton to Siegen | 4,248.40 mi (6,837.14 km) |
| Ironton to Sigmaringen | 4,386.96 mi (7,060.13 km) |
| Ironton to Simbach am Inn | 4,532.05 mi (7,293.63 km) |
| Ironton to Simmerath | 4,190.08 mi (6,743.28 km) |
| Ironton to Sindelfingen | 4,357.45 mi (7,012.64 km) |
| Ironton to Sinsheim | 4,334.96 mi (6,976.45 km) |
| Ironton to Sinzheim | 4,322.36 mi (6,956.17 km) |
| Ironton to Sinzig | 4,229.16 mi (6,806.17 km) |
| Ironton to Soest | 4,230.41 mi (6,808.19 km) |
| Ironton to Solingen | 4,203.36 mi (6,764.66 km) |
| Ironton to Soltau | 4,250.99 mi (6,841.30 km) |
| Ironton to Sommerda | 4,358.32 mi (7,014.05 km) |
| Ironton to Sondershausen | 4,342.02 mi (6,987.81 km) |
