| Oak Ridge to Mattoon (Illinois) | 329.12 mi (529.68 km) |
| Oak Ridge to Mauldin (South Carolina) | 138.72 mi (223.25 km) |
| Oak Ridge to Maumee (Ohio) | 388.80 mi (625.71 km) |
| Oak Ridge to Maumelle (Arkansas) | 462.77 mi (744.75 km) |
| Oak Ridge to Mayagüez (Puerto Rico) | 1,613.15 mi (2,596.11 km) |
| Oak Ridge to Mayfield Heights (Ohio) | 413.05 mi (664.74 km) |
| Oak Ridge to Mays Chapel (Maryland) | 481.45 mi (774.83 km) |
| Oak Ridge to Maywood (California) | 1,914.12 mi (3,080.47 km) |
| Oak Ridge to Maywood (Illinois) | 451.00 mi (725.81 km) |
| Oak Ridge to McAlester (Oklahoma) | 649.76 mi (1,045.68 km) |
| Oak Ridge to McAllen (Texas) | 1,062.98 mi (1,710.70 km) |
| Oak Ridge to McCalla (Alabama) | 240.85 mi (387.61 km) |
| Oak Ridge to McComb (Mississippi) | 482.21 mi (776.04 km) |
| Oak Ridge to McDonough (Georgia) | 174.60 mi (280.98 km) |
| Oak Ridge to McFarland (California) | 1,947.36 mi (3,133.98 km) |
