There are
1,305 mi
from Chattanooga, TN to Louisville, CO
That's the driving distance. It would take 23 hours 19 mins to go from Chattanooga, Tennessee to Louisville, Colorado.
The flight distance (direct flight from Chattanooga, TN to Louisville, CO) is 1,135.77 mi.
1,305 mi = 2,099.56 kms