There are
941 mi
from Clarksville, TN to Oneonta, NY
That's the driving distance. It would take 18 hours 13 mins to go from Clarksville, Tennessee to Oneonta, New York.
The flight distance (direct flight from Clarksville, TN to Oneonta, NY) is 771.68 mi.
941 mi = 1,513.66 kms