There are
774 mi
from Provo, UT to Larkspur, CA
That's the driving distance. It would take 13 hours 28 mins to go from Provo, Utah to Larkspur, California.
The flight distance (direct flight from Provo, UT to Larkspur, CA) is 604.11 mi.
774 mi = 1,245.76 kms