Miles between Thornton, CO and Tempe, AZ

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

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

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

865 mi = 1,392.11 kms