| Key West to Mengen | 5,022.88 mi (8,083.54 km) |
| Key West to Meppen | 4,846.70 mi (7,800.02 km) |
| Key West to Merchweiler | 4,897.66 mi (7,882.03 km) |
| Key West to Mering | 5,090.67 mi (8,192.65 km) |
| Key West to Merseburg | 5,064.65 mi (8,150.77 km) |
| Key West to Merzenich | 4,848.09 mi (7,802.24 km) |
| Key West to Merzig | 4,876.80 mi (7,848.45 km) |
| Key West to Meschede | 4,911.94 mi (7,905.01 km) |
| Key West to Messkirch | 5,014.49 mi (8,070.05 km) |
| Key West to Messstetten | 5,003.98 mi (8,053.13 km) |
| Key West to Mettingen | 4,873.28 mi (7,842.78 km) |
| Key West to Mettlach | 4,875.19 mi (7,845.86 km) |
| Key West to Mettmann | 4,858.99 mi (7,819.79 km) |
| Key West to Metzingen | 5,010.74 mi (8,064.00 km) |
| Key West to Meuselwitz | 5,084.02 mi (8,181.94 km) |
