There are
980 mi
from Rancho Cucamonga, CA to Littleton, CO
That's the driving distance. It would take 17 hours 6 mins to go from Rancho Cucamonga, California to Littleton, Colorado.
The flight distance (direct flight from Rancho Cucamonga, CA to Littleton, CO) is 791.46 mi.
980 mi = 1,577.20 kms