There are
952 mi
from Chattanooga, TN to Hays, KS
That's the driving distance. It would take 17 hours 24 mins to go from Chattanooga, Tennessee to Hays, Kansas.
The flight distance (direct flight from Chattanooga, TN to Hays, KS) is 816.90 mi.
952 mi = 1,532.20 kms