There are
797 mi
from Chattanooga, TN to Midwest City, OK
That's the driving distance. It would take 14 hours 5 mins to go from Chattanooga, Tennessee to Midwest City, Oklahoma.
The flight distance (direct flight from Chattanooga, TN to Midwest City, OK) is 682.17 mi.
797 mi = 1,282.13 kms