Miles between Decatur, IL and Aberdeen, SD

There are
833 mi
from Decatur, IL to Aberdeen, SD

That's the driving distance. It would take 14 hours 55 mins to go from Decatur, Illinois to Aberdeen, South Dakota.

The flight distance (direct flight from Decatur, IL to Aberdeen, SD) is 620.25 mi.

833 mi = 1,339.89 kms