There are
2,641 mi
from Buena Park, CA to Manassas Park, VA
That's the driving distance. It would take 1 day 22 hours to go from Buena Park, California to Manassas Park, Virginia.
The flight distance (direct flight from Buena Park, CA to Manassas Park, VA) is 2,262.83 mi.
2,641 mi = 4,249.83 kms