| Havre de Grace to Monticello (Minnesota) | 982.92 mi (1,581.86 km) |
| Havre de Grace to Montrose (Colorado) | 1,697.11 mi (2,731.23 km) |
| Havre de Grace to Moody (Alabama) | 706.90 mi (1,137.65 km) |
| Havre de Grace to Moore (Oklahoma) | 1,204.42 mi (1,938.33 km) |
| Havre de Grace to Moorestown-Lenola (New Jersey) | 67.58 mi (108.76 km) |
| Havre de Grace to Mooresville (North Carolina) | 376.16 mi (605.37 km) |
| Havre de Grace to Moorhead (Minnesota) | 1,150.85 mi (1,852.11 km) |
| Havre de Grace to Moorpark (California) | 2,367.57 mi (3,810.23 km) |
| Havre de Grace to Moraga (California) | 2,456.54 mi (3,953.41 km) |
| Havre de Grace to Moreno Valley (California) | 2,287.97 mi (3,682.13 km) |
| Havre de Grace to Morgan City (Louisiana) | 1,091.64 mi (1,756.82 km) |
| Havre de Grace to Morgan Hill (California) | 2,446.52 mi (3,937.29 km) |
| Havre de Grace to Morganton (North Carolina) | 403.06 mi (648.66 km) |
| Havre de Grace to Morgantown (West Virginia) | 204.09 mi (328.46 km) |
| Havre de Grace to Morris (Illinois) | 659.02 mi (1,060.59 km) |
