Miles between Sioux Falls, SD and Washington, IL

There are
557 mi
from Sioux Falls, SD to Washington, IL

That's the driving distance. It would take 10 hours 6 mins to go from Sioux Falls, South Dakota to Washington, Illinois.

The flight distance (direct flight from Sioux Falls, SD to Washington, IL) is 422.09 mi.

557 mi = 897.09 kms