| Mount Washington to Solofra | 5,031.58 mi (8,097.55 km) |
| Mount Washington to Somma Lombardo | 4,588.88 mi (7,385.08 km) |
| Mount Washington to Somma Vesuviana | 5,012.47 mi (8,066.79 km) |
| Mount Washington to Sommacampagna | 4,687.70 mi (7,544.12 km) |
| Mount Washington to Sona | 4,685.78 mi (7,541.04 km) |
| Mount Washington to Sondrio | 4,619.50 mi (7,434.37 km) |
| Mount Washington to Sora | 4,944.02 mi (7,956.64 km) |
| Mount Washington to Sorbolo | 4,691.61 mi (7,550.41 km) |
| Mount Washington to Soresina | 4,651.00 mi (7,485.06 km) |
| Mount Washington to Sorisole | 4,626.37 mi (7,445.42 km) |
| Mount Washington to Sorrento | 5,019.62 mi (8,078.30 km) |
| Mount Washington to Sorso | 4,761.80 mi (7,663.37 km) |
| Mount Washington to Sortino | 5,189.53 mi (8,351.74 km) |
| Mount Washington to Soverato Marina | 5,192.54 mi (8,356.58 km) |
| Mount Washington to Sovicille | 4,782.81 mi (7,697.19 km) |
