There are
2,397 mi
from Las Vegas, NV to Manassas, VA
That's the driving distance. It would take 1 day 18 hours to go from Las Vegas, Nevada to Manassas, Virginia.
The flight distance (direct flight from Las Vegas, NV to Manassas, VA) is 2,062.42 mi.
2,397 mi = 3.22 kms