There are
239 mi
from Rancho Cucamonga, CA to Las Vegas, NV
That's the driving distance. It would take 4 hours 23 mins to go from Rancho Cucamonga, California to Las Vegas, Nevada.
The flight distance (direct flight from Rancho Cucamonga, CA to Las Vegas, NV) is 199.30 mi.
239 mi = 385.07 kms