There are
640 mi
from Rancho Cucamonga, CA to Cottonwood Heights, UT
That's the driving distance. It would take 11 hours 5 mins to go from Rancho Cucamonga, California to Cottonwood Heights, Utah.
The flight distance (direct flight from Rancho Cucamonga, CA to Cottonwood Heights, UT) is 549.40 mi.
640 mi = 1,029.17 kms