There are
74 mi
from Rancho Cucamonga, CA to Barstow, CA
That's the driving distance. It would take 1 hour 23 mins to go from Rancho Cucamonga, California to Barstow, California.
The flight distance (direct flight from Rancho Cucamonga, CA to Barstow, CA) is 63.64 mi.
74 mi = 118.79 kms