| Key Largo to Montigny-les-Metz | 4,775.73 mi (7,685.79 km) |
| Key Largo to Montivilliers | 4,506.85 mi (7,253.08 km) |
| Key Largo to Montlouis-sur-Loire | 4,564.14 mi (7,345.28 km) |
| Key Largo to Montlucon | 4,661.77 mi (7,502.39 km) |
| Key Largo to Montmagny | 4,609.98 mi (7,419.05 km) |
| Key Largo to Montmorency | 4,608.71 mi (7,417.01 km) |
| Key Largo to Montpellier | 4,768.68 mi (7,674.45 km) |
| Key Largo to Montreuil | 4,615.96 mi (7,428.67 km) |
| Key Largo to Montrouge | 4,611.19 mi (7,420.99 km) |
| Key Largo to Morangis | 4,613.37 mi (7,424.51 km) |
| Key Largo to Morieres-les-Avignon | 4,812.00 mi (7,744.16 km) |
| Key Largo to Morlaix | 4,338.01 mi (6,981.35 km) |
| Key Largo to Morsang-sur-Orge | 4,614.53 mi (7,426.37 km) |
| Key Largo to Mouans-Sartoux | 4,917.19 mi (7,913.45 km) |
| Key Largo to Mougins | 4,918.69 mi (7,915.86 km) |
