There are
1,646 mi
from Chattanooga, TN to Williston, ND
That's the driving distance. It would take 1 day 5 hours to go from Chattanooga, Tennessee to Williston, North Dakota.
The flight distance (direct flight from Chattanooga, TN to Williston, ND) is 1,303 mi.
1,646 mi = 2,648.28 kms