There are
2,499 mi
from Lakeland, FL to Irvine, CA
That's the driving distance. It would take 1 day 20 hours to go from Lakeland, Florida to Irvine, California.
The flight distance (direct flight from Lakeland, FL to Irvine, CA) is 2,150.46 mi.
2,499 mi = 3.22 kms