| Rapid City to Security-Widefield (Colorado) | 375.80 mi (604.79 km) |
| Rapid City to Sedalia (Missouri) | 635.98 mi (1,023.51 km) |
| Rapid City to Sedro-Woolley (Washington) | 955.11 mi (1,537.10 km) |
| Rapid City to Seguin (Texas) | 1,041.37 mi (1,675.92 km) |
| Rapid City to Selden (New York) | 1,544.77 mi (2,486.07 km) |
| Rapid City to Selma (Alabama) | 1,187.60 mi (1,911.26 km) |
| Rapid City to Selma (California) | 1,004.41 mi (1,616.45 km) |
| Rapid City to Selma (Texas) | 1,036.44 mi (1,667.99 km) |
| Rapid City to Seminole (Florida) | 1,592.52 mi (2,562.91 km) |
| Rapid City to Seven Hills (Ohio) | 1,106.04 mi (1,779.99 km) |
| Rapid City to Seven Oaks (South Carolina) | 1,365.64 mi (2,197.78 km) |
| Rapid City to Severn (Maryland) | 1,405.52 mi (2,261.97 km) |
| Rapid City to Severna Park (Maryland) | 1,413.09 mi (2,274.15 km) |
| Rapid City to Sevierville (Tennessee) | 1,179.95 mi (1,898.94 km) |
| Rapid City to Seymour (Indiana) | 961.65 mi (1,547.63 km) |
