There are
636 mi
from Provo, UT to Menifee, CA
That's the driving distance. It would take 11 hours 4 mins to go from Provo, Utah to Menifee, California.
The flight distance (direct flight from Provo, UT to Menifee, CA) is 545.29 mi.
636 mi = 1,023.03 kms