| McDonough to Mattoon (Illinois) | 478.19 mi (769.57 km) |
| McDonough to Mauldin (South Carolina) | 140.60 mi (226.28 km) |
| McDonough to Maumee (Ohio) | 562.35 mi (905.02 km) |
| McDonough to Maumelle (Arkansas) | 481.56 mi (775.00 km) |
| McDonough to Mayagüez (Puerto Rico) | 1,488.35 mi (2,395.26 km) |
| McDonough to Mayfield Heights (Ohio) | 577.29 mi (929.05 km) |
| McDonough to Mays Chapel (Maryland) | 587.19 mi (945.00 km) |
| McDonough to Maywood (California) | 1,947.50 mi (3,134.20 km) |
| McDonough to Maywood (Illinois) | 616.99 mi (992.95 km) |
| McDonough to McAlester (Oklahoma) | 671.82 mi (1,081.19 km) |
| McDonough to McAllen (Texas) | 979.56 mi (1,576.45 km) |
| McDonough to McCalla (Alabama) | 166.43 mi (267.84 km) |
| McDonough to McComb (Mississippi) | 398.86 mi (641.91 km) |
| McDonough to McFarland (California) | 1,992.13 mi (3,206.02 km) |
| McDonough to McHenry (Illinois) | 654.82 mi (1,053.83 km) |
