Miles between Clarksville, TN and Johnston, IA

There are
622 mi
from Clarksville, TN to Johnston, IA

That's the driving distance. It would take 12 hours 3 mins to go from Clarksville, Tennessee to Johnston, Iowa.

The flight distance (direct flight from Clarksville, TN to Johnston, IA) is 491.65 mi.

622 mi = 1,000.25 kms