| Rapid City to Sanford (Maine) | 1,610.37 mi (2,591.65 km) |
| Rapid City to Sanford (North Carolina) | 1,400.86 mi (2,254.47 km) |
| Rapid City to Sanger (California) | 996.69 mi (1,604.02 km) |
| Rapid City to Santa Ana (California) | 1,060.67 mi (1,706.98 km) |
| Rapid City to Santa Barbara (California) | 1,102.54 mi (1,774.37 km) |
| Rapid City to Santa Clara (California) | 1,082.31 mi (1,741.81 km) |
| Rapid City to Santa Clara (Oregon) | 985.78 mi (1,586.46 km) |
| Rapid City to Santa Clarita (California) | 1,052.02 mi (1,693.07 km) |
| Rapid City to Santa Cruz (California) | 1,099.46 mi (1,769.40 km) |
| Rapid City to Santa Fe (New Mexico) | 599.12 mi (964.20 km) |
| Rapid City to Santa Fe (Texas) | 1,108.27 mi (1,783.59 km) |
| Rapid City to Santa Fe Springs (California) | 1,058.06 mi (1,702.78 km) |
| Rapid City to Santa Maria (California) | 1,110.72 mi (1,787.53 km) |
| Rapid City to Santa Monica (California) | 1,070.44 mi (1,722.71 km) |
| Rapid City to Santa Paula (California) | 1,078.55 mi (1,735.76 km) |
