There are
2,342 mi
from Chattanooga, TN to Richland, WA
That's the driving distance. It would take 1 day 17 hours to go from Chattanooga, Tennessee to Richland, Washington.
The flight distance (direct flight from Chattanooga, TN to Richland, WA) is 1,923.73 mi.
2,342 mi = 3.22 kms