There are
635 mi
from Rialto, CA to Cottonwood Heights, UT
That's the driving distance. It would take 11 hours 2 mins to go from Rialto, California to Cottonwood Heights, Utah.
The flight distance (direct flight from Rialto, CA to Cottonwood Heights, UT) is 542.50 mi.
635 mi = 1,022.66 kms