| Rapid City to Santa Ursula | 4,730.13 mi (7,612.41 km) |
| Rapid City to Santander | 4,618.83 mi (7,433.29 km) |
| Rapid City to Santany | 5,075.60 mi (8,168.39 km) |
| Rapid City to Santiago de Compostela | 4,457.17 mi (7,173.13 km) |
| Rapid City to Santiago del Teide | 4,720.69 mi (7,597.22 km) |
| Rapid City to Santiponce | 4,796.40 mi (7,719.06 km) |
| Rapid City to Santomera | 4,972.49 mi (8,002.45 km) |
| Rapid City to Santona | 4,633.20 mi (7,456.41 km) |
| Rapid City to Santurce-Antiguo | 4,654.54 mi (7,490.76 km) |
| Rapid City to Sarria | 4,506.33 mi (7,252.24 km) |
| Rapid City to Sauzal | 4,730.35 mi (7,612.77 km) |
| Rapid City to Sedavi | 4,935.36 mi (7,942.69 km) |
| Rapid City to Segorbe | 4,911.49 mi (7,904.28 km) |
| Rapid City to Segovia | 4,717.98 mi (7,592.85 km) |
| Rapid City to Senmanat | 4,930.52 mi (7,934.90 km) |
