There are
728 mi
from Chattanooga, TN to Okmulgee, OK
That's the driving distance. It would take 12 hours 56 mins to go from Chattanooga, Tennessee to Okmulgee, Oklahoma.
The flight distance (direct flight from Chattanooga, TN to Okmulgee, OK) is 601.37 mi.
728 mi = 1,172.37 kms