There are
655 mi
from Taylorsville, UT to San Dimas, CA
That's the driving distance. It would take 11 hours 22 mins to go from Taylorsville, Utah to San Dimas, California.
The flight distance (direct flight from Taylorsville, UT to San Dimas, CA) is 555.81 mi.
655 mi = 1,054.57 kms