There are
480 mi
from Clarksville, TN to Pittsburg, KS
That's the driving distance. It would take 9 hours 33 mins to go from Clarksville, Tennessee to Pittsburg, Kansas.
The flight distance (direct flight from Clarksville, TN to Pittsburg, KS) is 409.92 mi.
480 mi = 772.64 kms