| Manassas to McKeesport (Pennsylvania) | 167.14 mi (268.99 km) |
| Manassas to McKinleyville (California) | 2,447.30 mi (3,938.54 km) |
| Manassas to McKinney (Texas) | 1,136.38 mi (1,828.82 km) |
| Manassas to McLean (Virginia) | 20.63 mi (33.20 km) |
| Manassas to McMinnville (Oregon) | 2,357.31 mi (3,793.73 km) |
| Manassas to McMinnville (Tennessee) | 502.90 mi (809.34 km) |
| Manassas to McNair (Virginia) | 14.58 mi (23.47 km) |
| Manassas to McPherson (Kansas) | 1,088.21 mi (1,751.31 km) |
| Manassas to Mead Valley (California) | 2,224.76 mi (3,580.41 km) |
| Manassas to Meadow Woods (Florida) | 750.55 mi (1,207.89 km) |
| Manassas to Meadowbrook (Virginia) | 91.05 mi (146.54 km) |
| Manassas to Meadville (Pennsylvania) | 244.70 mi (393.80 km) |
| Manassas to Mebane (North Carolina) | 208.54 mi (335.61 km) |
| Manassas to Mechanicsville (Virginia) | 77.80 mi (125.21 km) |
| Manassas to Medford (Massachusetts) | 419.78 mi (675.58 km) |
