There are
1,245 mi
from Clarksville, TN to Bismarck, ND
That's the driving distance. It would take 22 hours 45 mins to go from Clarksville, Tennessee to Bismarck, North Dakota.
The flight distance (direct flight from Clarksville, TN to Bismarck, ND) is 989.49 mi.
1,245 mi = 2,004.03 kms