| Fort Thomas to Sesimbra | 3,933.32 mi (6,330.07 km) |
| Fort Thomas to Setubal | 3,940.88 mi (6,342.23 km) |
| Fort Thomas to Sever do Vouga | 3,899.58 mi (6,275.77 km) |
| Fort Thomas to Silves | 4,004.68 mi (6,444.91 km) |
| Fort Thomas to Sines | 3,959.83 mi (6,372.73 km) |
| Fort Thomas to Sintra | 3,908.50 mi (6,290.12 km) |
| Fort Thomas to Sobrado de Paiva | 3,895.47 mi (6,269.16 km) |
| Fort Thomas to Sobral de Monte Agraco | 3,913.29 mi (6,297.84 km) |
| Fort Thomas to Soure | 3,907.18 mi (6,288.00 km) |
| Fort Thomas to Tabua | 3,926.66 mi (6,319.35 km) |
| Fort Thomas to Tavira | 4,045.47 mi (6,510.55 km) |
| Fort Thomas to Tomar | 3,931.04 mi (6,326.40 km) |
| Fort Thomas to Tondela | 3,919.42 mi (6,307.70 km) |
| Fort Thomas to Torre de Moncorvo | 3,943.86 mi (6,347.03 km) |
| Fort Thomas to Torres Novas | 3,929.49 mi (6,323.90 km) |
