There are
794 mi
from Sunnyvale, CA to Lehi, UT
That's the driving distance. It would take 13 hours 49 mins to go from Sunnyvale, California to Lehi, Utah.
The flight distance (direct flight from Sunnyvale, CA to Lehi, UT) is 585.84 mi.
794 mi = 1,277.45 kms