There are
501 mi
from Chattanooga, TN to Clarksburg, WV
That's the driving distance. It would take 9 hours 20 mins to go from Chattanooga, Tennessee to Clarksburg, West Virginia.
The flight distance (direct flight from Chattanooga, TN to Clarksburg, WV) is 400.32 mi.
501 mi = 805.57 kms