There are
2,665 mi
from Irvine, CA to Washington, DC
That's the driving distance. It would take 1 day 22 hours to go from Irvine, California to Washington, District of Columbia.
The flight distance (direct flight from Irvine, CA to Washington, DC) is 2,279.17 mi.
2,665 mi = 4,289.34 kms