Miles between Rockford, IL and Sioux Falls, SD

There are
500 mi
from Rockford, IL to Sioux Falls, SD

That's the driving distance. It would take 9 hours 12 mins to go from Rockford, Illinois to Sioux Falls, South Dakota.

The flight distance (direct flight from Rockford, IL to Sioux Falls, SD) is 394.77 mi.

500 mi = 803.91 kms