| West Islip to Senftenberg | 3,994.79 mi (6,428.99 km) |
| West Islip to Siegburg | 3,747.23 mi (6,030.58 km) |
| West Islip to Siegen | 3,777.62 mi (6,079.49 km) |
| West Islip to Sigmaringen | 3,906.80 mi (6,287.38 km) |
| West Islip to Simbach am Inn | 4,057.59 mi (6,530.05 km) |
| West Islip to Simmerath | 3,716.05 mi (5,980.41 km) |
| West Islip to Sindelfingen | 3,879.33 mi (6,243.18 km) |
| West Islip to Sinsheim | 3,858.73 mi (6,210.02 km) |
| West Islip to Sinzheim | 3,843.38 mi (6,185.33 km) |
| West Islip to Sinzig | 3,756.05 mi (6,044.77 km) |
| West Islip to Soest | 3,762.66 mi (6,055.41 km) |
| West Islip to Solingen | 3,732.63 mi (6,007.09 km) |
| West Islip to Soltau | 3,791.69 mi (6,102.14 km) |
| West Islip to Sommerda | 3,892.71 mi (6,264.71 km) |
| West Islip to Sondershausen | 3,876.94 mi (6,239.34 km) |
