There are
670 mi
from Rancho Cucamonga, CA to Layton, UT
That's the driving distance. It would take 11 hours 35 mins to go from Rancho Cucamonga, California to Layton, Utah.
The flight distance (direct flight from Rancho Cucamonga, CA to Layton, UT) is 570.31 mi.
670 mi = 1,077.94 kms