There are
1,983 mi
from Yakima, WA to Swansea, IL
That's the driving distance. It would take 1 day 10 hours to go from Yakima, Washington to Swansea, Illinois.
The flight distance (direct flight from Yakima, WA to Swansea, IL) is 1,637.60 mi.
1,983 mi = 1.61 kms