Miles between Thornton, CO and Ammon, ID

There are
585 mi
from Thornton, CO to Ammon, ID

That's the driving distance. It would take 10 hours 47 mins to go from Thornton, Colorado to Ammon, Idaho.

The flight distance (direct flight from Thornton, CO to Ammon, ID) is 438.24 mi.

585 mi = 940.74 kms