| Loudoun Valley Estates to Solofra | 4,644.81 mi (7,475.09 km) |
| Loudoun Valley Estates to Somma Lombardo | 4,209.34 mi (6,774.27 km) |
| Loudoun Valley Estates to Somma Vesuviana | 4,625.14 mi (7,443.45 km) |
| Loudoun Valley Estates to Sommacampagna | 4,310.35 mi (6,936.83 km) |
| Loudoun Valley Estates to Sona | 4,308.53 mi (6,933.91 km) |
| Loudoun Valley Estates to Sondrio | 4,243.57 mi (6,829.36 km) |
| Loudoun Valley Estates to Sora | 4,558.11 mi (7,335.57 km) |
| Loudoun Valley Estates to Sorbolo | 4,311.58 mi (6,938.82 km) |
| Loudoun Valley Estates to Soresina | 4,271.70 mi (6,874.63 km) |
| Loudoun Valley Estates to Sorisole | 4,248.46 mi (6,837.24 km) |
| Loudoun Valley Estates to Sorrento | 4,631.41 mi (7,453.53 km) |
| Loudoun Valley Estates to Sorso | 4,365.27 mi (7,025.22 km) |
| Loudoun Valley Estates to Sortino | 4,792.00 mi (7,711.99 km) |
| Loudoun Valley Estates to Soverato Marina | 4,801.91 mi (7,727.93 km) |
| Loudoun Valley Estates to Sovicille | 4,398.42 mi (7,078.57 km) |
