Miles between Tempe, AZ and Thornton, CO

There are
865 mi
from Tempe, AZ to Thornton, CO

That's the driving distance. It would take 15 hours 38 mins to go from Tempe, Arizona to Thornton, Colorado.

The flight distance (direct flight from Tempe, AZ to Thornton, CO) is 588.96 mi.

865 mi = 1,391.69 kms