There are
637 mi
from Rialto, CA to Taylorsville, UT
That's the driving distance. It would take 11 hours 4 mins to go from Rialto, California to Taylorsville, Utah.
The flight distance (direct flight from Rialto, CA to Taylorsville, UT) is 542.33 mi.
637 mi = 1,025.92 kms