There are
651 mi
from Taylorsville, UT to Montclair, CA
That's the driving distance. It would take 11 hours 16 mins to go from Taylorsville, Utah to Montclair, California.
The flight distance (direct flight from Taylorsville, UT to Montclair, CA) is 553.82 mi.
651 mi = 1,048.15 kms