Miles between Thornton, CO and Fountain Hills, AZ

There are
851 mi
from Thornton, CO to Fountain Hills, AZ

That's the driving distance. It would take 15 hours 22 mins to go from Thornton, Colorado to Fountain Hills, Arizona.

The flight distance (direct flight from Thornton, CO to Fountain Hills, AZ) is 572.08 mi.

851 mi = 1,369.74 kms