There are
666 mi
from Layton, UT to Rialto, CA
That's the driving distance. It would take 11 hours 33 mins to go from Layton, Utah to Rialto, California.
The flight distance (direct flight from Layton, UT to Rialto, CA) is 563.84 mi.
666 mi = 1,071.60 kms