| Oklahoma City to Mattoon (Illinois) | 572.80 mi (921.83 km) |
| Oklahoma City to Mauldin (South Carolina) | 860.01 mi (1,384.06 km) |
| Oklahoma City to Maumee (Ohio) | 857.75 mi (1,380.41 km) |
| Oklahoma City to Maumelle (Arkansas) | 291.93 mi (469.82 km) |
| Oklahoma City to Mayagüez (Puerto Rico) | 2,205.84 mi (3,549.96 km) |
| Oklahoma City to Mayfield Heights (Ohio) | 961.81 mi (1,547.89 km) |
| Oklahoma City to Mays Chapel (Maryland) | 1,173.77 mi (1,889.00 km) |
| Oklahoma City to Maywood (California) | 1,176.27 mi (1,893.02 km) |
| Oklahoma City to Maywood (Illinois) | 683.56 mi (1,100.09 km) |
| Oklahoma City to McAlester (Oklahoma) | 105.14 mi (169.21 km) |
| Oklahoma City to McAllen (Texas) | 640.06 mi (1,030.08 km) |
| Oklahoma City to McCalla (Alabama) | 615.86 mi (991.13 km) |
| Oklahoma City to McComb (Mississippi) | 500.08 mi (804.81 km) |
| Oklahoma City to McDonough (Georgia) | 773.49 mi (1,244.80 km) |
| Oklahoma City to McFarland (California) | 1,218.66 mi (1,961.24 km) |
