There are
2,338 mi
from Kennewick, WA to Chattanooga, TN
That's the driving distance. It would take 1 day 16 hours to go from Kennewick, Washington to Chattanooga, Tennessee.
The flight distance (direct flight from Kennewick, WA to Chattanooga, TN) is 1,915.81 mi.
2,338 mi = 3,763.22 kms