| South Milwaukee to Senftenberg | 4,418.49 mi (7,110.87 km) |
| South Milwaukee to Siegburg | 4,205.83 mi (6,768.62 km) |
| South Milwaukee to Siegen | 4,232.22 mi (6,811.10 km) |
| South Milwaukee to Sigmaringen | 4,386.61 mi (7,059.56 km) |
| South Milwaukee to Simbach am Inn | 4,519.55 mi (7,273.52 km) |
| South Milwaukee to Simmerath | 4,180.29 mi (6,727.52 km) |
| South Milwaukee to Sindelfingen | 4,353.49 mi (7,006.27 km) |
| South Milwaukee to Sinsheim | 4,327.70 mi (6,964.77 km) |
| South Milwaukee to Sinzheim | 4,320.39 mi (6,952.99 km) |
| South Milwaukee to Sinzig | 4,217.31 mi (6,787.11 km) |
| South Milwaukee to Soest | 4,209.20 mi (6,774.06 km) |
| South Milwaukee to Solingen | 4,187.58 mi (6,739.26 km) |
| South Milwaukee to Soltau | 4,215.63 mi (6,784.41 km) |
| South Milwaukee to Sommerda | 4,332.12 mi (6,971.88 km) |
| South Milwaukee to Sondershausen | 4,315.10 mi (6,944.48 km) |
