There are
709 mi
from Irvine, CA to Layton, UT
That's the driving distance. It would take 12 hours 24 mins to go from Irvine, California to Layton, Utah.
The flight distance (direct flight from Irvine, CA to Layton, UT) is 601.32 mi.
709 mi = 1,140.38 kms