There are
989 mi
from Aurora, CO to Rancho Cucamonga, CA
That's the driving distance. It would take 17 hours 16 mins to go from Aurora, Colorado to Rancho Cucamonga, California.
The flight distance (direct flight from Aurora, CO to Rancho Cucamonga, CA) is 803.76 mi.
989 mi = 1,592.26 kms