| Manassas to Monticello (Minnesota) | 949.45 mi (1,527.98 km) |
| Manassas to Montrose (Colorado) | 1,632.51 mi (2,627.28 km) |
| Manassas to Moody (Alabama) | 615.33 mi (990.28 km) |
| Manassas to Moore (Oklahoma) | 1,125.18 mi (1,810.81 km) |
| Manassas to Moorestown-Lenola (New Jersey) | 158.73 mi (255.46 km) |
| Manassas to Mooresville (North Carolina) | 285.68 mi (459.76 km) |
| Manassas to Moorhead (Minnesota) | 1,121.69 mi (1,805.19 km) |
| Manassas to Moorpark (California) | 2,299.44 mi (3,700.60 km) |
| Manassas to Moraga (California) | 2,396.97 mi (3,857.55 km) |
| Manassas to Moreno Valley (California) | 2,218.23 mi (3,569.90 km) |
| Manassas to Morgan City (Louisiana) | 999.88 mi (1,609.15 km) |
| Manassas to Morgan Hill (California) | 2,385.29 mi (3,838.75 km) |
| Manassas to Morganton (North Carolina) | 311.30 mi (500.99 km) |
| Manassas to Morgantown (West Virginia) | 145.51 mi (234.17 km) |
| Manassas to Morris (Illinois) | 606.16 mi (975.51 km) |
