There are
758 mi
from San Leandro, CA to Kaysville, UT
That's the driving distance. It would take 13 hours 5 mins to go from San Leandro, California to Kaysville, Utah.
The flight distance (direct flight from San Leandro, CA to Kaysville, UT) is 591.17 mi.
758 mi = 1,219.14 kms