There are
403 mi
from Rosemead, CA to San Anselmo, CA
That's the driving distance. It would take 7 hours 31 mins to go from Rosemead, California to San Anselmo, California.
The flight distance (direct flight from Rosemead, CA to San Anselmo, CA) is 367.74 mi.
403 mi = 648.82 kms