| Rapid City to Mendota (California) | 1,031.55 mi (1,660.12 km) |
| Rapid City to Mendota Heights (Minnesota) | 499.78 mi (804.32 km) |
| Rapid City to Menifee (California) | 1,035.81 mi (1,666.97 km) |
| Rapid City to Menlo Park (California) | 1,087.99 mi (1,750.96 km) |
| Rapid City to Menomonee Falls (Wisconsin) | 756.91 mi (1,218.13 km) |
| Rapid City to Menomonie (Wisconsin) | 560.04 mi (901.31 km) |
| Rapid City to Mentor (Ohio) | 1,116.76 mi (1,797.26 km) |
| Rapid City to Mequon (Wisconsin) | 762.78 mi (1,227.58 km) |
| Rapid City to Merced (California) | 1,015.04 mi (1,633.55 km) |
| Rapid City to Mercedes (Texas) | 1,273.13 mi (2,048.91 km) |
| Rapid City to Mercer Island (Washington) | 944.10 mi (1,519.38 km) |
| Rapid City to Mercerville (New Jersey) | 1,477.43 mi (2,377.69 km) |
| Rapid City to Meriden (Connecticut) | 1,543.39 mi (2,483.85 km) |
| Rapid City to Meridian (Idaho) | 656.75 mi (1,056.93 km) |
| Rapid City to Meridian (Mississippi) | 1,125.43 mi (1,811.21 km) |
