| Rapid City to Marrero (Louisiana) | 1,214.85 mi (1,955.12 km) |
| Rapid City to Marshall (Minnesota) | 368.49 mi (593.03 km) |
| Rapid City to Marshall (Missouri) | 620.07 mi (997.90 km) |
| Rapid City to Marshall (Texas) | 929.49 mi (1,495.88 km) |
| Rapid City to Marshalltown (Iowa) | 538.99 mi (867.42 km) |
| Rapid City to Marshfield (Wisconsin) | 645.06 mi (1,038.12 km) |
| Rapid City to Martha Lake (Washington) | 946.97 mi (1,523.99 km) |
| Rapid City to Martin (Tennessee) | 925.43 mi (1,489.33 km) |
| Rapid City to Martinez (California) | 1,067.30 mi (1,717.65 km) |
| Rapid City to Martinez (Georgia) | 1,344.83 mi (2,164.29 km) |
| Rapid City to Martinsburg (West Virginia) | 1,333.65 mi (2,146.29 km) |
| Rapid City to Martinsville (Indiana) | 921.33 mi (1,482.74 km) |
| Rapid City to Martinsville (New Jersey) | 1,474.83 mi (2,373.51 km) |
| Rapid City to Martinsville (Virginia) | 1,325.35 mi (2,132.94 km) |
| Rapid City to Maryland City (Maryland) | 1,401.01 mi (2,254.71 km) |
