Miles between Clarksville, TN and Johnstown, PA

There are
635 mi
from Clarksville, TN to Johnstown, PA

That's the driving distance. It would take 12 hours 16 mins to go from Clarksville, Tennessee to Johnstown, Pennsylvania.

The flight distance (direct flight from Clarksville, TN to Johnstown, PA) is 526.33 mi.

635 mi = 1,021.69 kms