There are
2,333 mi
from Clarksville, TN to Cornelius, OR
That's the driving distance. It would take 1 day 17 hours to go from Clarksville, Tennessee to Cornelius, Oregon.
The flight distance (direct flight from Clarksville, TN to Cornelius, OR) is 1,943.32 mi.
2,333 mi = 3.22 kms