| Mercer Island to Senftenberg | 5,117.82 mi (8,236.34 km) |
| Mercer Island to Siegburg | 5,007.72 mi (8,059.14 km) |
| Mercer Island to Siegen | 5,022.21 mi (8,082.46 km) |
| Mercer Island to Sigmaringen | 5,214.54 mi (8,391.98 km) |
| Mercer Island to Simbach am Inn | 5,292.32 mi (8,517.17 km) |
| Mercer Island to Simmerath | 4,997.55 mi (8,042.78 km) |
| Mercer Island to Sindelfingen | 5,172.53 mi (8,324.38 km) |
| Mercer Island to Sinsheim | 5,138.15 mi (8,269.06 km) |
| Mercer Island to Sinzheim | 5,149.51 mi (8,287.34 km) |
| Mercer Island to Sinzig | 5,023.68 mi (8,084.83 km) |
| Mercer Island to Soest | 4,984.37 mi (8,021.56 km) |
| Mercer Island to Solingen | 4,983.71 mi (8,020.51 km) |
| Mercer Island to Soltau | 4,940.83 mi (7,951.50 km) |
| Mercer Island to Sommerda | 5,076.68 mi (8,170.12 km) |
| Mercer Island to Sondershausen | 5,058.97 mi (8,141.62 km) |
