| Key Largo to Mombris | 4,887.82 mi (7,866.18 km) |
| Key Largo to Monchengladbach | 4,751.63 mi (7,647.02 km) |
| Key Largo to Monschau | 4,754.98 mi (7,652.40 km) |
| Key Largo to Montabaur | 4,823.83 mi (7,763.20 km) |
| Key Largo to Moosburg | 5,040.21 mi (8,111.43 km) |
| Key Largo to Morbach | 4,804.80 mi (7,732.57 km) |
| Key Largo to Morfelden-Walldorf | 4,864.25 mi (7,828.26 km) |
| Key Largo to Morlenbach | 4,878.56 mi (7,851.28 km) |
| Key Largo to Morsbach | 4,811.41 mi (7,743.21 km) |
| Key Largo to Mosbach | 4,901.04 mi (7,887.46 km) |
| Key Largo to Mosigkau | 4,979.08 mi (8,013.06 km) |
| Key Largo to Mossingen | 4,916.05 mi (7,911.62 km) |
| Key Largo to Much | 4,797.18 mi (7,720.32 km) |
| Key Largo to Mucheln | 4,972.77 mi (8,002.90 km) |
| Key Largo to Muhlacker | 4,895.69 mi (7,878.85 km) |
