| Oklahoma City to Mombris | 5,033.47 mi (8,100.59 km) |
| Oklahoma City to Monchengladbach | 4,890.40 mi (7,870.33 km) |
| Oklahoma City to Monschau | 4,908.16 mi (7,898.91 km) |
| Oklahoma City to Montabaur | 4,970.20 mi (7,998.76 km) |
| Oklahoma City to Moosburg | 5,199.44 mi (8,367.68 km) |
| Oklahoma City to Morbach | 4,968.28 mi (7,995.68 km) |
| Oklahoma City to Morfelden-Walldorf | 5,014.93 mi (8,070.75 km) |
| Oklahoma City to Morlenbach | 5,036.43 mi (8,105.36 km) |
| Oklahoma City to Morsbach | 4,949.58 mi (7,965.58 km) |
| Oklahoma City to Mosbach | 5,061.30 mi (8,145.38 km) |
| Oklahoma City to Mosigkau | 5,069.53 mi (8,158.62 km) |
| Oklahoma City to Mossingen | 5,095.97 mi (8,201.17 km) |
| Oklahoma City to Much | 4,936.20 mi (7,944.05 km) |
| Oklahoma City to Mucheln | 5,076.69 mi (8,170.15 km) |
| Oklahoma City to Muhlacker | 5,066.07 mi (8,153.05 km) |
