| Manassas to Dover (New Hampshire) | 460.90 mi (741.75 km) |
| Manassas to Dover (New Jersey) | 214.23 mi (344.76 km) |
| Manassas to Dover (Ohio) | 245.71 mi (395.43 km) |
| Manassas to Downers Grove (Illinois) | 593.36 mi (954.93 km) |
| Manassas to Downey (California) | 2,267.71 mi (3,649.53 km) |
| Manassas to Dranesville (Virginia) | 18.18 mi (29.26 km) |
| Manassas to Draper (Utah) | 1,821.95 mi (2,932.15 km) |
| Manassas to Drexel Heights (Arizona) | 1,931.93 mi (3,109.14 km) |
| Manassas to Drexel Hill (Pennsylvania) | 143.03 mi (230.18 km) |
| Manassas to Duarte (California) | 2,252.67 mi (3,625.33 km) |
| Manassas to Dublin (California) | 2,387.47 mi (3,842.27 km) |
| Manassas to Dublin (Georgia) | 526.69 mi (847.63 km) |
| Manassas to Dublin (Ohio) | 316.42 mi (509.23 km) |
| Manassas to Dubuque (Iowa) | 739.34 mi (1,189.85 km) |
| Manassas to Duluth (Georgia) | 494.57 mi (795.94 km) |
