There are
672 mi
from Chattanooga, TN to Havre De Grace, MD
That's the driving distance. It would take 12 hours 34 mins to go from Chattanooga, Tennessee to Havre De Grace, Maryland.
The flight distance (direct flight from Chattanooga, TN to Havre De Grace, MD) is 594.11 mi.
672 mi = 1,081.28 kms