There are
663 mi
from Taylorsville, UT to Walnut, CA
That's the driving distance. It would take 11 hours 34 mins to go from Taylorsville, Utah to Walnut, California.
The flight distance (direct flight from Taylorsville, UT to Walnut, CA) is 562.62 mi.
663 mi = 1,067.38 kms