There are
773 mi
from San Mateo, CA to Layton, UT
That's the driving distance. It would take 13 hours 25 mins to go from San Mateo, California to Layton, Utah.
The flight distance (direct flight from San Mateo, CA to Layton, UT) is 603.49 mi.
773 mi = 1,244.29 kms