Miles between Tucson, AZ and Thornton, CO

There are
904 mi
from Tucson, AZ to Thornton, CO

That's the driving distance. It would take 16 hours to go from Tucson, Arizona to Thornton, Colorado.

The flight distance (direct flight from Tucson, AZ to Thornton, CO) is 623.93 mi.

904 mi = 1,455.04 kms