There are
706 mi
from Irvine, CA to Kaysville, UT
That's the driving distance. It would take 12 hours 23 mins to go from Irvine, California to Kaysville, Utah.
The flight distance (direct flight from Irvine, CA to Kaysville, UT) is 600.83 mi.
706 mi = 1,136.08 kms