There are
727 mi
from Layton, UT to Lathrop, CA
That's the driving distance. It would take 12 hours 25 mins to go from Layton, Utah to Lathrop, California.
The flight distance (direct flight from Layton, UT to Lathrop, CA) is 544.23 mi.
727 mi = 1,169.23 kms