| Havre de Grace to Marysville (California) | 2,402.97 mi (3,867.20 km) |
| Havre de Grace to Marysville (Ohio) | 386.84 mi (622.56 km) |
| Havre de Grace to Marysville (Washington) | 2,332.64 mi (3,754.03 km) |
| Havre de Grace to Maryville (Missouri) | 993.16 mi (1,598.33 km) |
| Havre de Grace to Maryville (Tennessee) | 503.77 mi (810.73 km) |
| Havre de Grace to Mason (Ohio) | 436.87 mi (703.07 km) |
| Havre de Grace to Mason City (Iowa) | 918.59 mi (1,478.33 km) |
| Havre de Grace to Massapequa (New York) | 159.70 mi (257.01 km) |
| Havre de Grace to Massapequa Park (New York) | 161.13 mi (259.31 km) |
| Havre de Grace to Massillon (Ohio) | 298.12 mi (479.77 km) |
| Havre de Grace to Mastic (New York) | 193.21 mi (310.94 km) |
| Havre de Grace to Mastic Beach (New York) | 192.45 mi (309.72 km) |
| Havre de Grace to Matteson (Illinois) | 625.21 mi (1,006.18 km) |
| Havre de Grace to Matthews (North Carolina) | 396.56 mi (638.21 km) |
| Havre de Grace to Mattoon (Illinois) | 652.37 mi (1,049.89 km) |
