There are
790 mi
from Layton, UT to Los Altos, CA
That's the driving distance. It would take 13 hours 44 mins to go from Layton, Utah to Los Altos, California.
The flight distance (direct flight from Layton, UT to Los Altos, CA) is 598.85 mi.
790 mi = 1,271.12 kms