| Havre de Grace to Marly-le-Roi | 3,753.33 mi (6,040.40 km) |
| Havre de Grace to Marmande | 3,784.87 mi (6,091.16 km) |
| Havre de Grace to Maromme | 3,693.66 mi (5,944.37 km) |
| Havre de Grace to Marquette-les-Lille | 3,748.18 mi (6,032.11 km) |
| Havre de Grace to Marseille | 4,054.71 mi (6,525.42 km) |
| Havre de Grace to Martigues | 4,036.85 mi (6,496.68 km) |
| Havre de Grace to Massy | 3,764.30 mi (6,058.05 km) |
| Havre de Grace to Maubeuge | 3,795.37 mi (6,108.06 km) |
| Havre de Grace to Mauguio | 3,983.66 mi (6,411.09 km) |
| Havre de Grace to Mauleon | 3,680.09 mi (5,922.54 km) |
| Havre de Grace to Maurepas | 3,749.70 mi (6,034.56 km) |
| Havre de Grace to Maxeville | 3,928.10 mi (6,321.67 km) |
| Havre de Grace to Mayenne | 3,651.89 mi (5,877.14 km) |
| Havre de Grace to Mazamet | 3,913.58 mi (6,298.30 km) |
| Havre de Grace to Meaux | 3,784.38 mi (6,090.37 km) |
