Miles between Chattanooga, TN and Johnston, IA

There are
796 mi
from Chattanooga, TN to Johnston, IA

That's the driving distance. It would take 15 hours 10 mins to go from Chattanooga, Tennessee to Johnston, Iowa.

The flight distance (direct flight from Chattanooga, TN to Johnston, IA) is 644.75 mi.

796 mi = 1,281.34 kms