There are
2,335 mi
from Chattanooga, TN to Kennewick, WA
That's the driving distance. It would take 1 day 16 hours to go from Chattanooga, Tennessee to Kennewick, Washington.
The flight distance (direct flight from Chattanooga, TN to Kennewick, WA) is 1,915.81 mi.
2,335 mi = 3.22 kms