| Louisville to Sesimbra | 4,018.95 mi (6,467.87 km) |
| Louisville to Setubal | 4,026.59 mi (6,480.18 km) |
| Louisville to Sever do Vouga | 3,986.49 mi (6,415.63 km) |
| Louisville to Silves | 4,089.77 mi (6,581.85 km) |
| Louisville to Sines | 4,045.25 mi (6,510.20 km) |
| Louisville to Sintra | 3,994.26 mi (6,428.14 km) |
| Louisville to Sobrado de Paiva | 3,982.54 mi (6,409.27 km) |
| Louisville to Sobral de Monte Agraco | 3,999.22 mi (6,436.12 km) |
| Louisville to Soure | 3,993.72 mi (6,427.27 km) |
| Louisville to Tabua | 4,013.45 mi (6,459.02 km) |
| Louisville to Tavira | 4,130.69 mi (6,647.70 km) |
| Louisville to Tomar | 4,017.40 mi (6,465.38 km) |
| Louisville to Tondela | 4,006.28 mi (6,447.48 km) |
| Louisville to Torre de Moncorvo | 4,031.17 mi (6,487.55 km) |
| Louisville to Torres Novas | 4,015.75 mi (6,462.73 km) |
