There are
531 mi
from Chattanooga, TN to Mt Dora, FL
That's the driving distance. It would take 9 hours 58 mins to go from Chattanooga, Tennessee to Mt Dora, Florida.
The flight distance (direct flight from Chattanooga, TN to Mt Dora, FL) is 481.83 mi.
531 mi = 854.75 kms