There are
606 mi
from Chattanooga, TN to Takoma Park, MD
That's the driving distance. It would take 11 hours 14 mins to go from Chattanooga, Tennessee to Takoma Park, Maryland.
The flight distance (direct flight from Chattanooga, TN to Takoma Park, MD) is 532.23 mi.
606 mi = 974.81 kms