There are
574 mi
from Chattanooga, TN to Oviedo, FL
That's the driving distance. It would take 10 hours 31 mins to go from Chattanooga, Tennessee to Oviedo, Florida.
The flight distance (direct flight from Chattanooga, TN to Oviedo, FL) is 501.85 mi.
574 mi = 923.37 kms