There are
2,701 mi
from Wilmington, DE to Irvine, CA
That's the driving distance. It would take 2 days to go from Wilmington, Delaware to Irvine, California.
The flight distance (direct flight from Wilmington, DE to Irvine, CA) is 2,355.01 mi.
2,701 mi = 4,347.36 kms