There are
40 mi
from Tustin, CA to Rancho Cucamonga, CA
That's the driving distance. It would take 50 minutes to go from Tustin, California to Rancho Cucamonga, California.
The flight distance (direct flight from Tustin, CA to Rancho Cucamonga, CA) is 28.27 mi.
40 mi = 63.76 kms