| Mount Washington to Sesimbra | 4,018.17 mi (6,466.62 km) |
| Mount Washington to Setubal | 4,025.85 mi (6,478.97 km) |
| Mount Washington to Sever do Vouga | 3,986.18 mi (6,415.14 km) |
| Mount Washington to Silves | 4,088.81 mi (6,580.30 km) |
| Mount Washington to Sines | 4,044.40 mi (6,508.83 km) |
| Mount Washington to Sintra | 3,993.53 mi (6,426.96 km) |
| Mount Washington to Sobrado de Paiva | 3,982.29 mi (6,408.88 km) |
| Mount Washington to Sobral de Monte Agraco | 3,998.54 mi (6,435.03 km) |
| Mount Washington to Soure | 3,993.27 mi (6,426.54 km) |
| Mount Washington to Tabua | 4,013.09 mi (6,458.45 km) |
| Mount Washington to Tavira | 4,129.78 mi (6,646.23 km) |
| Mount Washington to Tomar | 4,016.88 mi (6,464.54 km) |
| Mount Washington to Tondela | 4,005.95 mi (6,446.95 km) |
| Mount Washington to Torre de Moncorvo | 4,031.03 mi (6,487.32 km) |
| Mount Washington to Torres Novas | 4,015.20 mi (6,461.84 km) |
