Miles between Thornton, CO and Alpharetta, GA

There are
1,398 mi
from Thornton, CO to Alpharetta, GA

That's the driving distance. It would take 1 day 1 hour to go from Thornton, Colorado to Alpharetta, Georgia.

The flight distance (direct flight from Thornton, CO to Alpharetta, GA) is 1,206.20 mi.

1,398 mi = 1.61 kms