| Key Biscayne to Mombris | 4,848.58 mi (7,803.03 km) |
| Key Biscayne to Monchengladbach | 4,712.21 mi (7,583.57 km) |
| Key Biscayne to Monschau | 4,715.74 mi (7,589.25 km) |
| Key Biscayne to Montabaur | 4,784.55 mi (7,699.99 km) |
| Key Biscayne to Moosburg | 5,001.25 mi (8,048.74 km) |
| Key Biscayne to Morbach | 4,765.73 mi (7,669.70 km) |
| Key Biscayne to Morfelden-Walldorf | 4,825.06 mi (7,765.18 km) |
| Key Biscayne to Morlenbach | 4,839.47 mi (7,788.37 km) |
| Key Biscayne to Morsbach | 4,772.02 mi (7,679.82 km) |
| Key Biscayne to Mosbach | 4,862.00 mi (7,824.63 km) |
| Key Biscayne to Mosigkau | 4,939.23 mi (7,948.92 km) |
| Key Biscayne to Mossingen | 4,877.29 mi (7,849.24 km) |
| Key Biscayne to Much | 4,757.79 mi (7,656.93 km) |
| Key Biscayne to Mucheln | 4,933.07 mi (7,939.01 km) |
| Key Biscayne to Muhlacker | 4,856.78 mi (7,816.23 km) |
