There are
2,659 mi
from Irvine, CA to Herndon, VA
That's the driving distance. It would take 1 day 22 hours to go from Irvine, California to Herndon, Virginia.
The flight distance (direct flight from Irvine, CA to Herndon, VA) is 2,260.09 mi.
2,659 mi = 3.22 kms