There are
2,273 mi
from Clarksville, TN to Sunnyvale, CA
That's the driving distance. It would take 1 day 16 hours to go from Clarksville, Tennessee to Sunnyvale, California.
The flight distance (direct flight from Clarksville, TN to Sunnyvale, CA) is 1,904.78 mi.
2,273 mi = 3.22 kms