Miles between Decatur, IL and Sun Prairie, WI

There are
248 mi
from Decatur, IL to Sun Prairie, WI

That's the driving distance. It would take 4 hours 49 mins to go from Decatur, Illinois to Sun Prairie, Wisconsin.

The flight distance (direct flight from Decatur, IL to Sun Prairie, WI) is 231.39 mi.

248 mi = 398.68 kms