There are
2,437 mi
from Clarksville, TN to Arcata, CA
That's the driving distance. It would take 1 day 19 hours to go from Clarksville, Tennessee to Arcata, California.
The flight distance (direct flight from Clarksville, TN to Arcata, CA) is 1,988.03 mi.
2,437 mi = 3.22 kms