Miles between Chicago, IL and Watertown, SD

There are
670 mi
from Chicago, IL to Watertown, SD

That's the driving distance. It would take 12 hours 7 mins to go from Chicago, Illinois to Watertown, South Dakota.

The flight distance (direct flight from Chicago, IL to Watertown, SD) is 519.58 mi.

670 mi = 1,078.84 kms