There are
50 mi
from Rancho Cucamonga, CA to Newport Beach, CA
That's the driving distance. It would take 1 hour 4 mins to go from Rancho Cucamonga, California to Newport Beach, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Newport Beach, CA) is 38.81 mi.
50 mi = 80.80 kms