| Loudoun Valley Estates to Senftenberg | 4,238.54 mi (6,821.27 km) |
| Loudoun Valley Estates to Siegburg | 3,994.15 mi (6,427.96 km) |
| Loudoun Valley Estates to Siegen | 4,024.20 mi (6,476.33 km) |
| Loudoun Valley Estates to Sigmaringen | 4,155.75 mi (6,688.03 km) |
| Loudoun Valley Estates to Simbach am Inn | 4,305.22 mi (6,928.58 km) |
| Loudoun Valley Estates to Simmerath | 3,963.45 mi (6,378.55 km) |
| Loudoun Valley Estates to Sindelfingen | 4,127.79 mi (6,643.04 km) |
| Loudoun Valley Estates to Sinsheim | 4,106.73 mi (6,609.14 km) |
| Loudoun Valley Estates to Sinzheim | 4,092.04 mi (6,585.50 km) |
| Loudoun Valley Estates to Sinzig | 4,003.23 mi (6,442.57 km) |
| Loudoun Valley Estates to Soest | 4,008.43 mi (6,450.95 km) |
| Loudoun Valley Estates to Solingen | 3,979.18 mi (6,403.88 km) |
| Loudoun Valley Estates to Soltau | 4,035.12 mi (6,493.90 km) |
| Loudoun Valley Estates to Sommerda | 4,137.96 mi (6,659.41 km) |
| Loudoun Valley Estates to Sondershausen | 4,122.04 mi (6,633.79 km) |
