Miles between Thornton, CO and Jeffersontown, KY

There are
1,123 mi
from Thornton, CO to Jeffersontown, KY

That's the driving distance. It would take 20 hours 6 mins to go from Thornton, Colorado to Jeffersontown, Kentucky.

The flight distance (direct flight from Thornton, CO to Jeffersontown, KY) is 1,045.96 mi.

1,123 mi = 1.61 kms