There are
712 mi
from Temecula, CA to Kaysville, UT
That's the driving distance. It would take 12 hours 25 mins to go from Temecula, California to Kaysville, Utah.
The flight distance (direct flight from Temecula, CA to Kaysville, UT) is 594.32 mi.
712 mi = 1,145.09 kms