| Rapid City to Salisbury (New York) | 1,522.03 mi (2,449.48 km) |
| Rapid City to Salisbury (North Carolina) | 1,332.02 mi (2,143.68 km) |
| Rapid City to Salmon Creek (Washington) | 956.02 mi (1,538.57 km) |
| Rapid City to Salt Lake City (Utah) | 498.81 mi (802.75 km) |
| Rapid City to Sammamish (Washington) | 935.65 mi (1,505.79 km) |
| Rapid City to San Angelo (Texas) | 885.47 mi (1,425.02 km) |
| Rapid City to San Anselmo (California) | 1,089.46 mi (1,753.32 km) |
| Rapid City to San Antonio (Texas) | 1,041.80 mi (1,676.62 km) |
| Rapid City to San Benito (Texas) | 1,278.31 mi (2,057.23 km) |
| Rapid City to San Bernardino (California) | 1,017.20 mi (1,637.03 km) |
| Rapid City to San Bruno (California) | 1,094.98 mi (1,762.20 km) |
| Rapid City to San Buenaventura (California) | 1,089.25 mi (1,752.98 km) |
| Rapid City to San Carlos (California) | 1,091.68 mi (1,756.89 km) |
| Rapid City to San Carlos Park (Florida) | 1,703.15 mi (2,740.95 km) |
| Rapid City to San Clemente (California) | 1,064.58 mi (1,713.28 km) |
