There are
1,919 mi
from Joliet, IL to Walla Walla, WA
That's the driving distance. It would take 1 day 8 hours to go from Joliet, Illinois to Walla Walla, Washington.
The flight distance (direct flight from Joliet, IL to Walla Walla, WA) is 1,531.68 mi.
1,919 mi = 1.61 kms