There are
393 mi
from Hayward, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 7 hours 16 mins to go from Hayward, California to Rancho Cucamonga, California.
The flight distance (direct flight from Hayward, CA to Rancho Cucamonga, CA) is 351.62 mi.
393 mi = 631.73 kms