There are
642 mi
from Rancho Cucamonga, CA to Taylorsville, UT
That's the driving distance. It would take 11 hours 7 mins to go from Rancho Cucamonga, California to Taylorsville, Utah.
The flight distance (direct flight from Rancho Cucamonga, CA to Taylorsville, UT) is 549.13 mi.
642 mi = 1,032.44 kms