| Reston to Solofra | 4,638.87 mi (7,465.54 km) |
| Reston to Somma Lombardo | 4,203.65 mi (6,765.12 km) |
| Reston to Somma Vesuviana | 4,619.19 mi (7,433.87 km) |
| Reston to Sommacampagna | 4,304.72 mi (6,927.78 km) |
| Reston to Sona | 4,302.91 mi (6,924.86 km) |
| Reston to Sondrio | 4,237.99 mi (6,820.39 km) |
| Reston to Sora | 4,552.20 mi (7,326.06 km) |
| Reston to Sorbolo | 4,305.87 mi (6,929.63 km) |
| Reston to Soresina | 4,266.01 mi (6,865.49 km) |
| Reston to Sorisole | 4,242.82 mi (6,828.16 km) |
| Reston to Sorrento | 4,625.43 mi (7,443.91 km) |
| Reston to Sorso | 4,359.03 mi (7,015.19 km) |
| Reston to Sortino | 4,785.72 mi (7,701.87 km) |
| Reston to Soverato Marina | 4,795.85 mi (7,718.17 km) |
| Reston to Sovicille | 4,392.57 mi (7,069.16 km) |
