| Manassas to Jeffersontown (Kentucky) | 438.85 mi (706.27 km) |
| Manassas to Jeffersonville (Indiana) | 444.90 mi (716.00 km) |
| Manassas to Jenison (Michigan) | 521.92 mi (839.95 km) |
| Manassas to Jenks (Oklahoma) | 1,031.00 mi (1,659.24 km) |
| Manassas to Jennings (Missouri) | 688.26 mi (1,107.65 km) |
| Manassas to Jensen Beach (Florida) | 810.66 mi (1,304.63 km) |
| Manassas to Jericho (New York) | 252.33 mi (406.09 km) |
| Manassas to Jerome (Idaho) | 1,942.38 mi (3,125.95 km) |
| Manassas to Jersey City (New Jersey) | 226.83 mi (365.05 km) |
| Manassas to Jessup (Maryland) | 47.00 mi (75.64 km) |
| Manassas to Johns Creek (Georgia) | 495.48 mi (797.40 km) |
| Manassas to Johnson City (New York) | 246.53 mi (396.75 km) |
| Manassas to Johnson City (Tennessee) | 315.57 mi (507.86 km) |
| Manassas to Johnston (Iowa) | 879.11 mi (1,414.80 km) |
| Manassas to Johnstown (Colorado) | 1,461.51 mi (2,352.07 km) |
