Miles between St Charles, IL and Huron, SD

There are
666 mi
from St Charles, IL to Huron, SD

That's the driving distance. It would take 12 hours 5 mins to go from St Charles, Illinois to Huron, South Dakota.

The flight distance (direct flight from St Charles, IL to Huron, SD) is 526.65 mi.

666 mi = 1,072.48 kms