Miles between Thornton, CO and Kingsport, TN

There are
1,396 mi
from Thornton, CO to Kingsport, TN

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

The flight distance (direct flight from Thornton, CO to Kingsport, TN) is 1,234.69 mi.

1,396 mi = 1.61 kms