There are
679 mi
from San Clemente, CA to Lehi, UT
That's the driving distance. It would take 11 hours 56 mins to go from San Clemente, California to Lehi, Utah.
The flight distance (direct flight from San Clemente, CA to Lehi, UT) is 576.62 mi.
679 mi = 1,092.93 kms