| Key Largo to Mechernich | 4,771.02 mi (7,678.22 km) |
| Key Largo to Meckenbeuren | 4,952.77 mi (7,970.72 km) |
| Key Largo to Meckenheim | 4,786.00 mi (7,702.32 km) |
| Key Largo to Meerane | 5,009.82 mi (8,062.52 km) |
| Key Largo to Meerbusch | 4,760.30 mi (7,660.96 km) |
| Key Largo to Meine | 4,898.89 mi (7,884.00 km) |
| Key Largo to Meinerzhagen | 4,803.41 mi (7,730.34 km) |
| Key Largo to Meiningen | 4,930.96 mi (7,935.61 km) |
| Key Largo to Meissen | 5,044.74 mi (8,118.72 km) |
| Key Largo to Meitingen | 4,990.99 mi (8,032.22 km) |
| Key Largo to Melle | 4,813.09 mi (7,745.92 km) |
| Key Largo to Melsungen | 4,883.12 mi (7,858.62 km) |
| Key Largo to Memmelsdorf | 4,966.38 mi (7,992.61 km) |
| Key Largo to Memmingen | 4,974.07 mi (8,005.00 km) |
| Key Largo to Mendig | 4,801.81 mi (7,727.76 km) |
