| Heath to McKeesport (Pennsylvania) | 138.84 mi (223.45 km) |
| Heath to McKinleyville (California) | 2,168.38 mi (3,489.67 km) |
| Heath to McKinney (Texas) | 917.37 mi (1,476.36 km) |
| Heath to McLean (Virginia) | 289.54 mi (465.97 km) |
| Heath to McMinnville (Oregon) | 2,080.02 mi (3,347.47 km) |
| Heath to McMinnville (Tennessee) | 350.68 mi (564.36 km) |
| Heath to McNair (Virginia) | 278.22 mi (447.74 km) |
| Heath to McPherson (Kansas) | 821.84 mi (1,322.63 km) |
| Heath to Mead Valley (California) | 1,958.30 mi (3,151.57 km) |
| Heath to Meadow Woods (Florida) | 807.64 mi (1,299.77 km) |
| Heath to Meadowbrook (Virginia) | 322.12 mi (518.39 km) |
| Heath to Meadville (Pennsylvania) | 164.21 mi (264.27 km) |
| Heath to Mebane (North Carolina) | 322.07 mi (518.33 km) |
| Heath to Mechanicsville (Virginia) | 319.88 mi (514.79 km) |
| Heath to Medford (Massachusetts) | 611.28 mi (983.76 km) |
