Miles between Thornton, CO and Oro Valley, AZ

There are
918 mi
from Thornton, CO to Oro Valley, AZ

That's the driving distance. It would take 16 hours 21 mins to go from Thornton, Colorado to Oro Valley, Arizona.

The flight distance (direct flight from Thornton, CO to Oro Valley, AZ) is 615.09 mi.

918 mi = 1,477.33 kms