| Key Largo to Marly-le-Roi | 4,600.35 mi (7,403.54 km) |
| Key Largo to Marmande | 4,575.05 mi (7,362.82 km) |
| Key Largo to Maromme | 4,545.31 mi (7,314.97 km) |
| Key Largo to Marquette-les-Lille | 4,616.94 mi (7,430.24 km) |
| Key Largo to Marseille | 4,846.66 mi (7,799.94 km) |
| Key Largo to Martigues | 4,829.00 mi (7,771.53 km) |
| Key Largo to Massy | 4,610.19 mi (7,419.39 km) |
| Key Largo to Maubeuge | 4,661.78 mi (7,502.41 km) |
| Key Largo to Mauguio | 4,774.89 mi (7,684.44 km) |
| Key Largo to Mauleon | 4,497.80 mi (7,238.51 km) |
| Key Largo to Maurepas | 4,595.22 mi (7,395.29 km) |
| Key Largo to Maxeville | 4,782.99 mi (7,697.47 km) |
| Key Largo to Mayenne | 4,486.46 mi (7,220.26 km) |
| Key Largo to Mazamet | 4,697.99 mi (7,560.68 km) |
| Key Largo to Meaux | 4,634.22 mi (7,458.05 km) |
