There are
1,162 mi
from Thornton, CO to Lawrenceburg, KY
That's the driving distance. It would take 20 hours 50 mins to go from Thornton, Colorado to Lawrenceburg, Kentucky.
The flight distance (direct flight from Thornton, CO to Lawrenceburg, KY) is 1,083.76 mi.
1,162 mi = 1.61 kms