| McDonough to Marrero (Louisiana) | 427.87 mi (688.59 km) |
| McDonough to Marshall (Minnesota) | 982.70 mi (1,581.50 km) |
| McDonough to Marshall (Missouri) | 638.08 mi (1,026.90 km) |
| McDonough to Marshall (Texas) | 594.23 mi (956.32 km) |
| McDonough to Marshalltown (Iowa) | 761.70 mi (1,225.83 km) |
| McDonough to Marshfield (Wisconsin) | 839.45 mi (1,350.97 km) |
| McDonough to Martha Lake (Washington) | 2,201.34 mi (3,542.72 km) |
| McDonough to Martin (Tennessee) | 333.23 mi (536.28 km) |
| McDonough to Martinez (California) | 2,137.96 mi (3,440.71 km) |
| McDonough to Martinez (Georgia) | 118.39 mi (190.52 km) |
| McDonough to Martinsburg (West Virginia) | 538.79 mi (867.10 km) |
| McDonough to Martinsville (Indiana) | 431.84 mi (694.98 km) |
| McDonough to Martinsville (New Jersey) | 723.02 mi (1,163.59 km) |
| McDonough to Martinsville (Virginia) | 330.06 mi (531.17 km) |
| McDonough to Maryland City (Maryland) | 565.71 mi (910.42 km) |
