There are
524 mi
from Sioux Falls, SD to Mchenry, IL
That's the driving distance. It would take 9 hours 37 mins to go from Sioux Falls, South Dakota to Mchenry, Illinois.
The flight distance (direct flight from Sioux Falls, SD to Mchenry, IL) is 434.56 mi.
524 mi = 843.70 kms