| McDonough to Mitchell (South Dakota) | 1,030.63 mi (1,658.64 km) |
| McDonough to Mitchellville (Maryland) | 557.80 mi (897.69 km) |
| McDonough to Moberly (Missouri) | 618.19 mi (994.88 km) |
| McDonough to Mobile (Alabama) | 300.50 mi (483.61 km) |
| McDonough to Modesto (California) | 2,078.71 mi (3,345.36 km) |
| McDonough to Mokena (Illinois) | 595.18 mi (957.85 km) |
| McDonough to Moline (Illinois) | 655.09 mi (1,054.26 km) |
| McDonough to Moncks Corner (South Carolina) | 239.74 mi (385.83 km) |
| McDonough to Monfort Heights (Ohio) | 397.59 mi (639.86 km) |
| McDonough to Monmouth (Oregon) | 2,212.18 mi (3,560.16 km) |
| McDonough to Monroe (Georgia) | 35.23 mi (56.69 km) |
| McDonough to Monroe (Louisiana) | 463.71 mi (746.28 km) |
| McDonough to Monroe (Michigan) | 587.11 mi (944.86 km) |
| McDonough to Monroe (North Carolina) | 231.93 mi (373.26 km) |
| McDonough to Monroe (Ohio) | 415.18 mi (668.16 km) |
