| Rapid City to Middletown (New York) | 1,464.50 mi (2,356.88 km) |
| Rapid City to Middletown (Ohio) | 1,018.64 mi (1,639.34 km) |
| Rapid City to Midland (Michigan) | 944.58 mi (1,520.16 km) |
| Rapid City to Midland (Texas) | 834.54 mi (1,343.06 km) |
| Rapid City to Midlothian (Illinois) | 801.67 mi (1,290.16 km) |
| Rapid City to Midlothian (Texas) | 869.48 mi (1,399.29 km) |
| Rapid City to Midlothian (Virginia) | 1,406.22 mi (2,263.09 km) |
| Rapid City to Midvale (Utah) | 502.80 mi (809.18 km) |
| Rapid City to Midway (Florida) | 1,292.88 mi (2,080.70 km) |
| Rapid City to Midwest City (Oklahoma) | 670.59 mi (1,079.21 km) |
| Rapid City to Milford (Delaware) | 1,474.57 mi (2,373.10 km) |
| Rapid City to Milford city (Connecticut) | 1,536.46 mi (2,472.69 km) |
| Rapid City to Milford Mill (Maryland) | 1,396.50 mi (2,247.46 km) |
| Rapid City to Mililani Mauka (Hawaii) | 3,467.57 mi (5,580.51 km) |
| Rapid City to Mililani Town (Hawaii) | 3,469.84 mi (5,584.17 km) |
