| Richardson to Mombris | 5,136.13 mi (8,265.80 km) |
| Richardson to Monchengladbach | 4,993.06 mi (8,035.56 km) |
| Richardson to Monschau | 5,009.20 mi (8,061.53 km) |
| Richardson to Montabaur | 5,072.42 mi (8,163.27 km) |
| Richardson to Moosburg | 5,301.40 mi (8,531.78 km) |
| Richardson to Morbach | 5,068.43 mi (8,156.86 km) |
| Richardson to Morfelden-Walldorf | 5,116.89 mi (8,234.83 km) |
| Richardson to Morlenbach | 5,137.65 mi (8,268.25 km) |
| Richardson to Morsbach | 5,052.66 mi (8,131.46 km) |
| Richardson to Mosbach | 5,162.37 mi (8,308.03 km) |
| Richardson to Mosigkau | 5,178.86 mi (8,334.56 km) |
| Richardson to Mossingen | 5,194.86 mi (8,360.31 km) |
| Richardson to Much | 5,039.10 mi (8,109.65 km) |
| Richardson to Mucheln | 5,184.50 mi (8,343.65 km) |
| Richardson to Muhlacker | 5,165.95 mi (8,313.79 km) |
