| Manassas to Mitchell (South Dakota) | 1,118.36 mi (1,799.82 km) |
| Manassas to Mitchellville (Maryland) | 38.28 mi (61.61 km) |
| Manassas to Moberly (Missouri) | 802.36 mi (1,291.28 km) |
| Manassas to Mobile (Alabama) | 820.81 mi (1,320.96 km) |
| Manassas to Modesto (California) | 2,341.91 mi (3,768.94 km) |
| Manassas to Mokena (Illinois) | 581.31 mi (935.52 km) |
| Manassas to Moline (Illinois) | 712.04 mi (1,145.92 km) |
| Manassas to Moncks Corner (South Carolina) | 410.24 mi (660.22 km) |
| Manassas to Monfort Heights (Ohio) | 383.78 mi (617.63 km) |
| Manassas to Monmouth (Oregon) | 2,361.63 mi (3,800.67 km) |
| Manassas to Monroe (Georgia) | 487.03 mi (783.80 km) |
| Manassas to Monroe (Louisiana) | 924.10 mi (1,487.19 km) |
| Manassas to Monroe (Michigan) | 379.99 mi (611.53 km) |
| Manassas to Monroe (North Carolina) | 309.36 mi (497.86 km) |
| Manassas to Monroe (Ohio) | 372.12 mi (598.87 km) |
