| Rapid City to Mill Creek (Washington) | 945.80 mi (1,522.12 km) |
| Rapid City to Mill Creek East (Washington) | 944.78 mi (1,520.47 km) |
| Rapid City to Mill Valley (California) | 1,090.60 mi (1,755.15 km) |
| Rapid City to Millbrae (California) | 1,094.51 mi (1,761.45 km) |
| Rapid City to Millbrook (Alabama) | 1,209.62 mi (1,946.70 km) |
| Rapid City to Millcreek (Utah) | 497.30 mi (800.33 km) |
| Rapid City to Milledgeville (Georgia) | 1,313.58 mi (2,114.00 km) |
| Rapid City to Miller Place (New York) | 1,546.33 mi (2,488.58 km) |
| Rapid City to Millington (Tennessee) | 928.40 mi (1,494.11 km) |
| Rapid City to Millville (New Jersey) | 1,480.07 mi (2,381.95 km) |
| Rapid City to Milpitas (California) | 1,076.28 mi (1,732.10 km) |
| Rapid City to Milton (Georgia) | 1,219.63 mi (1,962.81 km) |
| Rapid City to Milwaukee (Wisconsin) | 765.65 mi (1,232.20 km) |
| Rapid City to Milwaukie (Oregon) | 954.25 mi (1,535.72 km) |
| Rapid City to Minden (Louisiana) | 955.77 mi (1,538.16 km) |
