Miles between Avondale, AZ and Thornton, CO

There are
839 mi
from Avondale, AZ to Thornton, CO

That's the driving distance. It would take 15 hours 54 mins to go from Avondale, Arizona to Thornton, Colorado.

The flight distance (direct flight from Avondale, AZ to Thornton, CO) is 603.52 mi.

839 mi = 1,350.08 kms