| Rapid City to Sesimbra | 4,623.70 mi (7,441.12 km) |
| Rapid City to Setubal | 4,628.92 mi (7,449.53 km) |
| Rapid City to Sever do Vouga | 4,555.49 mi (7,331.36 km) |
| Rapid City to Silves | 4,706.50 mi (7,574.39 km) |
| Rapid City to Sines | 4,654.87 mi (7,491.29 km) |
| Rapid City to Sintra | 4,596.17 mi (7,396.83 km) |
| Rapid City to Sobrado de Paiva | 4,546.73 mi (7,317.26 km) |
| Rapid City to Sobral de Monte Agraco | 4,596.67 mi (7,397.62 km) |
| Rapid City to Soure | 4,573.84 mi (7,360.89 km) |
| Rapid City to Tabua | 4,585.40 mi (7,379.49 km) |
| Rapid City to Tavira | 4,743.04 mi (7,633.18 km) |
| Rapid City to Tomar | 4,602.23 mi (7,406.57 km) |
| Rapid City to Tondela | 4,576.44 mi (7,365.07 km) |
| Rapid City to Torre de Moncorvo | 4,585.71 mi (7,379.99 km) |
| Rapid City to Torres Novas | 4,603.14 mi (7,408.04 km) |
