| Rapid City to Sesena | 4,772.62 mi (7,680.79 km) |
| Rapid City to Sestao | 4,656.40 mi (7,493.75 km) |
| Rapid City to Sevilla | 4,807.38 mi (7,736.73 km) |
| Rapid City to Sevilla La Nueva | 4,748.42 mi (7,641.84 km) |
| Rapid City to Silla | 4,937.40 mi (7,945.97 km) |
| Rapid City to Silleda | 4,477.17 mi (7,205.30 km) |
| Rapid City to Sitges | 4,935.60 mi (7,943.08 km) |
| Rapid City to Socuellamos | 4,845.61 mi (7,798.25 km) |
| Rapid City to Soller | 5,039.40 mi (8,110.13 km) |
| Rapid City to Solsona | 4,889.05 mi (7,868.17 km) |
| Rapid City to Son Servera | 5,071.68 mi (8,162.07 km) |
| Rapid City to Sonseca | 4,780.66 mi (7,693.73 km) |
| Rapid City to Sopelana | 4,654.28 mi (7,490.34 km) |
| Rapid City to Soria | 4,746.41 mi (7,638.61 km) |
| Rapid City to Suances | 4,610.65 mi (7,420.12 km) |
