| Oak Ridge to McHenry (Illinois) | 489.67 mi (788.04 km) |
| Oak Ridge to McKeesport (Pennsylvania) | 387.11 mi (623.00 km) |
| Oak Ridge to McKinleyville (California) | 2,161.40 mi (3,478.44 km) |
| Oak Ridge to McKinney (Texas) | 728.68 mi (1,172.70 km) |
| Oak Ridge to McLean (Virginia) | 440.29 mi (708.58 km) |
| Oak Ridge to McMinnville (Oregon) | 2,115.60 mi (3,404.73 km) |
| Oak Ridge to McMinnville (Tennessee) | 85.50 mi (137.60 km) |
| Oak Ridge to McNair (Virginia) | 430.04 mi (692.09 km) |
| Oak Ridge to McPherson (Kansas) | 753.77 mi (1,213.08 km) |
| Oak Ridge to Mead Valley (California) | 1,866.47 mi (3,003.79 km) |
| Oak Ridge to Meadow Woods (Florida) | 552.20 mi (888.68 km) |
| Oak Ridge to Meadowbrook (Virginia) | 391.06 mi (629.34 km) |
| Oak Ridge to Meadville (Pennsylvania) | 451.60 mi (726.78 km) |
| Oak Ridge to Mebane (North Carolina) | 280.62 mi (451.62 km) |
| Oak Ridge to Mechanicsville (Virginia) | 400.56 mi (644.63 km) |
