There are
636 mi
from Provo, UT to Rosemead, CA
That's the driving distance. It would take 11 hours 3 mins to go from Provo, Utah to Rosemead, California.
The flight distance (direct flight from Provo, UT to Rosemead, CA) is 552.38 mi.
636 mi = 1,022.86 kms