Miles between Thornton, CO and Mesa, AZ

There are
861 mi
from Thornton, CO to Mesa, AZ

That's the driving distance. It would take 15 hours 35 mins to go from Thornton, Colorado to Mesa, Arizona.

The flight distance (direct flight from Thornton, CO to Mesa, AZ) is 585.58 mi.

861 mi = 1,386.35 kms