| Manassas to Hillcrest Heights (Maryland) | 28.66 mi (46.12 km) |
| Manassas to Hilliard (Ohio) | 315.70 mi (508.06 km) |
| Manassas to Hillsboro (Oregon) | 2,342.95 mi (3,770.61 km) |
| Manassas to Hillsborough (California) | 2,414.81 mi (3,886.27 km) |
| Manassas to Hillsborough (New Jersey) | 193.57 mi (311.52 km) |
| Manassas to Hilo (Hawaii) | 4,724.31 mi (7,603.04 km) |
| Manassas to Hilton Head Island (South Carolina) | 488.89 mi (786.79 km) |
| Manassas to Hinesville (Georgia) | 531.87 mi (855.97 km) |
| Manassas to Hinsdale (Illinois) | 589.07 mi (948.01 km) |
| Manassas to Hobart (Indiana) | 550.92 mi (886.62 km) |
| Manassas to Hobbs (New Mexico) | 1,493.23 mi (2,403.11 km) |
| Manassas to Hobe Sound (Florida) | 821.16 mi (1,321.53 km) |
| Manassas to Hoboken (New Jersey) | 229.63 mi (369.56 km) |
| Manassas to Hockessin (Delaware) | 120.07 mi (193.23 km) |
| Manassas to Hoffman Estates (Illinois) | 605.45 mi (974.37 km) |
