There are
336 mi
from Rosemead, CA to Buckeye, AZ
That's the driving distance. It would take 6 hours 1 min to go from Rosemead, California to Buckeye, Arizona.
The flight distance (direct flight from Rosemead, CA to Buckeye, AZ) is 319.18 mi.
336 mi = 540.24 kms