Miles between Rancho Cucamonga, CA and Thornton, CO

There are
982 mi
from Rancho Cucamonga, CA to Thornton, CO

That's the driving distance. It would take 17 hours 8 mins to go from Rancho Cucamonga, California to Thornton, Colorado.

The flight distance (direct flight from Rancho Cucamonga, CA to Thornton, CO) is 801.15 mi.

982 mi = 1,581.00 kms