Miles between Chattanooga, TN and Portsmouth, VA

There are
642 mi
from Chattanooga, TN to Portsmouth, VA

That's the driving distance. It would take 11 hours 53 mins to go from Chattanooga, Tennessee to Portsmouth, Virginia.

The flight distance (direct flight from Chattanooga, TN to Portsmouth, VA) is 518.82 mi.

642 mi = 1,033.92 kms