There are
666 mi
from Rialto, CA to Layton, UT
That's the driving distance. It would take 11 hours 33 mins to go from Rialto, California to Layton, Utah.
The flight distance (direct flight from Rialto, CA to Layton, UT) is 563.84 mi.
666 mi = 1,071.42 kms