There are
2,131 mi
from Louisville, KY to Walla Walla, WA
That's the driving distance. It would take 1 day 12 hours to go from Louisville, Kentucky to Walla Walla, Washington.
The flight distance (direct flight from Louisville, KY to Walla Walla, WA) is 1,739.95 mi.
2,131 mi = 3.22 kms