| Rapid City to St. George (Utah) | 726.25 mi (1,168.79 km) |
| Rapid City to St. Helens (Oregon) | 963.42 mi (1,550.47 km) |
| Rapid City to St. James (New York) | 1,539.44 mi (2,477.48 km) |
| Rapid City to St. John (Indiana) | 818.05 mi (1,316.52 km) |
| Rapid City to St. Joseph (Missouri) | 524.21 mi (843.64 km) |
| Rapid City to St. Louis (Missouri) | 769.38 mi (1,238.20 km) |
| Rapid City to St. Louis Park (Minnesota) | 489.06 mi (787.06 km) |
| Rapid City to St. Marys (Georgia) | 1,494.63 mi (2,405.37 km) |
| Rapid City to St. Marys (Pennsylvania) | 1,260.32 mi (2,028.29 km) |
| Rapid City to St. Matthews (Kentucky) | 996.52 mi (1,603.74 km) |
| Rapid City to St. Michael (Minnesota) | 474.63 mi (763.85 km) |
| Rapid City to St. Paul (Minnesota) | 501.79 mi (807.56 km) |
| Rapid City to St. Peter (Minnesota) | 458.51 mi (737.91 km) |
| Rapid City to St. Peters (Missouri) | 747.55 mi (1,203.07 km) |
| Rapid City to St. Petersburg (Florida) | 1,599.84 mi (2,574.70 km) |
