There are
1,947 mi
from Joliet, IL to Kennewick, WA
That's the driving distance. It would take 1 day 9 hours to go from Joliet, Illinois to Kennewick, Washington.
The flight distance (direct flight from Joliet, IL to Kennewick, WA) is 1,569.83 mi.
1,947 mi = 1.61 kms