| Smithville to Sesimbra | 4,404.54 mi (7,088.41 km) |
| Smithville to Setubal | 4,411.30 mi (7,099.30 km) |
| Smithville to Sever do Vouga | 4,357.97 mi (7,013.47 km) |
| Smithville to Silves | 4,480.36 mi (7,210.44 km) |
| Smithville to Sines | 4,432.86 mi (7,134.00 km) |
| Smithville to Sintra | 4,378.60 mi (7,046.68 km) |
| Smithville to Sobrado de Paiva | 4,352.10 mi (7,004.03 km) |
| Smithville to Sobral de Monte Agraco | 4,381.87 mi (7,051.94 km) |
| Smithville to Soure | 4,369.61 mi (7,032.20 km) |
| Smithville to Tabua | 4,386.27 mi (7,059.02 km) |
| Smithville to Tavira | 4,519.85 mi (7,273.99 km) |
| Smithville to Tomar | 4,395.27 mi (7,073.51 km) |
| Smithville to Tondela | 4,378.35 mi (7,046.27 km) |
| Smithville to Torre de Moncorvo | 4,397.24 mi (7,076.68 km) |
| Smithville to Torres Novas | 4,394.61 mi (7,072.45 km) |
