There are
983 mi
from Rancho Cucamonga, CA to Broomfield, CO
That's the driving distance. It would take 17 hours 10 mins to go from Rancho Cucamonga, California to Broomfield, Colorado.
The flight distance (direct flight from Rancho Cucamonga, CA to Broomfield, CO) is 797.27 mi.
983 mi = 1,582.42 kms