| Havre de Grace to Morristown (New Jersey) | 122.13 mi (196.55 km) |
| Havre de Grace to Morristown (Tennessee) | 454.70 mi (731.76 km) |
| Havre de Grace to Morrisville (North Carolina) | 296.39 mi (476.99 km) |
| Havre de Grace to Morro Bay (California) | 2,445.17 mi (3,935.11 km) |
| Havre de Grace to Morton (Illinois) | 709.02 mi (1,141.05 km) |
| Havre de Grace to Morton Grove (Illinois) | 633.92 mi (1,020.20 km) |
| Havre de Grace to Moscow (Idaho) | 2,094.98 mi (3,371.54 km) |
| Havre de Grace to Moses Lake (Washington) | 2,201.50 mi (3,542.98 km) |
| Havre de Grace to Moss Bluff (Louisiana) | 1,156.71 mi (1,861.54 km) |
| Havre de Grace to Moss Point (Mississippi) | 942.36 mi (1,516.57 km) |
| Havre de Grace to Moultrie (Georgia) | 721.92 mi (1,161.82 km) |
| Havre de Grace to Mounds View (Minnesota) | 951.43 mi (1,531.19 km) |
| Havre de Grace to Mount Airy (North Carolina) | 322.59 mi (519.16 km) |
| Havre de Grace to Mount Clemens (Michigan) | 410.49 mi (660.62 km) |
| Havre de Grace to Mount Dora (Florida) | 805.51 mi (1,296.34 km) |
