There are
867 mi
from Rancho Cucamonga, CA to Las Vegas, NM
That's the driving distance. It would take 14 hours 54 mins to go from Rancho Cucamonga, California to Las Vegas, New Mexico.
The flight distance (direct flight from Rancho Cucamonga, CA to Las Vegas, NM) is 708.34 mi.
867 mi = 1,394.94 kms