| Havre de Grace to Mitchell (South Dakota) | 1,164.33 mi (1,873.80 km) |
| Havre de Grace to Mitchellville (Maryland) | 56.50 mi (90.93 km) |
| Havre de Grace to Moberly (Missouri) | 869.25 mi (1,398.92 km) |
| Havre de Grace to Mobile (Alabama) | 912.61 mi (1,468.71 km) |
| Havre de Grace to Modesto (California) | 2,402.43 mi (3,866.34 km) |
| Havre de Grace to Mokena (Illinois) | 632.16 mi (1,017.37 km) |
| Havre de Grace to Moline (Illinois) | 766.00 mi (1,232.75 km) |
| Havre de Grace to Moncks Corner (South Carolina) | 490.79 mi (789.85 km) |
| Havre de Grace to Monfort Heights (Ohio) | 454.20 mi (730.97 km) |
| Havre de Grace to Monmouth (Oregon) | 2,404.89 mi (3,870.29 km) |
| Havre de Grace to Monroe (Georgia) | 578.57 mi (931.12 km) |
| Havre de Grace to Monroe (Louisiana) | 1,013.42 mi (1,630.94 km) |
| Havre de Grace to Monroe (Michigan) | 414.13 mi (666.48 km) |
| Havre de Grace to Monroe (North Carolina) | 397.61 mi (639.90 km) |
| Havre de Grace to Monroe (Ohio) | 439.87 mi (707.91 km) |
