| Oklahoma City to McHenry (Illinois) | 685.63 mi (1,103.42 km) |
| Oklahoma City to McKeesport (Pennsylvania) | 1,018.32 mi (1,638.83 km) |
| Oklahoma City to McKinleyville (California) | 1,485.14 mi (2,390.11 km) |
| Oklahoma City to McKinney (Texas) | 163.84 mi (263.68 km) |
| Oklahoma City to McLean (Virginia) | 1,141.12 mi (1,836.45 km) |
| Oklahoma City to McMinnville (Oregon) | 1,501.70 mi (2,416.75 km) |
| Oklahoma City to McMinnville (Tennessee) | 659.09 mi (1,060.71 km) |
| Oklahoma City to McNair (Virginia) | 1,129.57 mi (1,817.86 km) |
| Oklahoma City to McPherson (Kansas) | 200.80 mi (323.15 km) |
| Oklahoma City to Mead Valley (California) | 1,127.55 mi (1,814.62 km) |
| Oklahoma City to Meadow Woods (Florida) | 1,065.50 mi (1,714.75 km) |
| Oklahoma City to Meadowbrook (Virginia) | 1,119.83 mi (1,802.20 km) |
| Oklahoma City to Meadville (Pennsylvania) | 1,028.43 mi (1,655.09 km) |
| Oklahoma City to Mebane (North Carolina) | 1,021.85 mi (1,644.51 km) |
| Oklahoma City to Mechanicsville (Virginia) | 1,126.57 mi (1,813.04 km) |
