There are
777 mi
from Orem, UT to San Leandro, CA
That's the driving distance. It would take 13 hours 26 mins to go from Orem, Utah to San Leandro, California.
The flight distance (direct flight from Orem, UT to San Leandro, CA) is 588.64 mi.
777 mi = 1,250.71 kms