There are
766 mi
from Layton, UT to Oxnard, CA
That's the driving distance. It would take 13 hours 27 mins to go from Layton, Utah to Oxnard, California.
The flight distance (direct flight from Layton, UT to Oxnard, CA) is 616.22 mi.
766 mi = 1,232.51 kms