| Havre de Grace to Manor (Texas) | 1,363.71 mi (2,194.68 km) |
| Havre de Grace to Manorville (New York) | 197.31 mi (317.53 km) |
| Havre de Grace to Mansfield (Ohio) | 348.85 mi (561.42 km) |
| Havre de Grace to Mansfield (Texas) | 1,264.70 mi (2,035.35 km) |
| Havre de Grace to Manteca (California) | 2,410.91 mi (3,879.98 km) |
| Havre de Grace to Manville (New Jersey) | 105.95 mi (170.51 km) |
| Havre de Grace to Maple Grove (Minnesota) | 963.33 mi (1,550.32 km) |
| Havre de Grace to Maple Heights (Ohio) | 313.80 mi (505.01 km) |
| Havre de Grace to Maple Valley (Washington) | 2,329.94 mi (3,749.68 km) |
| Havre de Grace to Mapleton (Utah) | 1,869.21 mi (3,008.20 km) |
| Havre de Grace to Maplewood (Minnesota) | 940.35 mi (1,513.34 km) |
| Havre de Grace to Marana (Arizona) | 2,005.98 mi (3,228.31 km) |
| Havre de Grace to Marco Island (Florida) | 994.55 mi (1,600.57 km) |
| Havre de Grace to Margate (Florida) | 948.97 mi (1,527.23 km) |
| Havre de Grace to Maricopa (Arizona) | 2,034.20 mi (3,273.73 km) |
