| Rapid City to Mattoon (Illinois) | 827.28 mi (1,331.37 km) |
| Rapid City to Mauldin (South Carolina) | 1,282.31 mi (2,063.67 km) |
| Rapid City to Maumee (Ohio) | 1,003.60 mi (1,615.14 km) |
| Rapid City to Maumelle (Arkansas) | 858.10 mi (1,380.98 km) |
| Rapid City to Mayagüez (Puerto Rico) | 2,746.35 mi (4,419.82 km) |
| Rapid City to Mayfield Heights (Ohio) | 1,114.25 mi (1,793.21 km) |
| Rapid City to Mays Chapel (Maryland) | 1,399.88 mi (2,252.89 km) |
| Rapid City to Maywood (California) | 1,060.32 mi (1,706.42 km) |
| Rapid City to Maywood (Illinois) | 790.67 mi (1,272.46 km) |
| Rapid City to McAlester (Oklahoma) | 745.56 mi (1,199.86 km) |
| Rapid City to McAllen (Texas) | 1,264.04 mi (2,034.27 km) |
| Rapid City to McCalla (Alabama) | 1,143.47 mi (1,840.24 km) |
| Rapid City to McComb (Mississippi) | 1,124.89 mi (1,810.33 km) |
| Rapid City to McDonough (Georgia) | 1,258.03 mi (2,024.60 km) |
| Rapid City to McFarland (California) | 1,025.70 mi (1,650.71 km) |
