| Merrillville to Sesimbra | 3,999.72 mi (6,436.92 km) |
| Merrillville to Setubal | 4,006.62 mi (6,448.04 km) |
| Merrillville to Sever do Vouga | 3,955.73 mi (6,366.13 km) |
| Merrillville to Silves | 4,074.83 mi (6,557.80 km) |
| Merrillville to Sines | 4,027.74 mi (6,482.03 km) |
| Merrillville to Sintra | 3,973.97 mi (6,395.49 km) |
| Merrillville to Sobrado de Paiva | 3,950.26 mi (6,357.33 km) |
| Merrillville to Sobral de Monte Agraco | 3,977.52 mi (6,401.21 km) |
| Merrillville to Soure | 3,966.49 mi (6,383.44 km) |
| Merrillville to Tabua | 3,983.77 mi (6,411.26 km) |
| Merrillville to Tavira | 4,114.54 mi (6,621.71 km) |
| Merrillville to Tomar | 3,991.79 mi (6,424.16 km) |
| Merrillville to Tondela | 3,976.00 mi (6,398.75 km) |
| Merrillville to Torre de Moncorvo | 3,996.21 mi (6,431.28 km) |
| Merrillville to Torres Novas | 3,990.95 mi (6,422.81 km) |
