There are
296 mi
from Rialto, CA to Buckeye, AZ
That's the driving distance. It would take 5 hours 18 mins to go from Rialto, California to Buckeye, Arizona.
The flight distance (direct flight from Rialto, CA to Buckeye, AZ) is 279.62 mi.
296 mi = 476.86 kms