There are
989 mi
from Rancho Cucamonga, CA to Aurora, CO
That's the driving distance. It would take 17 hours 16 mins to go from Rancho Cucamonga, California to Aurora, Colorado.
The flight distance (direct flight from Rancho Cucamonga, CA to Aurora, CO) is 803.76 mi.
989 mi = 1,592.15 kms