There are
682 mi
from Vacaville, CA to Taylorsville, UT
That's the driving distance. It would take 11 hours 40 mins to go from Vacaville, California to Taylorsville, Utah.
The flight distance (direct flight from Vacaville, CA to Taylorsville, UT) is 558.58 mi.
682 mi = 1,097.68 kms