| Key Largo to Mengen | 4,935.28 mi (7,942.56 km) |
| Key Largo to Meppen | 4,761.92 mi (7,663.57 km) |
| Key Largo to Merchweiler | 4,810.59 mi (7,741.90 km) |
| Key Largo to Mering | 5,003.42 mi (8,052.22 km) |
| Key Largo to Merseburg | 4,979.53 mi (8,013.77 km) |
| Key Largo to Merzenich | 4,761.91 mi (7,663.55 km) |
| Key Largo to Merzig | 4,789.74 mi (7,708.34 km) |
| Key Largo to Meschede | 4,826.33 mi (7,767.22 km) |
| Key Largo to Messkirch | 4,926.84 mi (7,928.98 km) |
| Key Largo to Messstetten | 4,916.42 mi (7,912.21 km) |
| Key Largo to Mettingen | 4,788.28 mi (7,705.99 km) |
| Key Largo to Mettlach | 4,788.15 mi (7,705.79 km) |
| Key Largo to Mettmann | 4,773.15 mi (7,681.64 km) |
| Key Largo to Metzingen | 4,923.42 mi (7,923.48 km) |
| Key Largo to Meuselwitz | 4,998.73 mi (8,044.68 km) |
