There are
560 mi
from Sioux Falls, SD to Glen Ellyn, IL
That's the driving distance. It would take 10 hours 8 mins to go from Sioux Falls, South Dakota to Glen Ellyn, Illinois.
The flight distance (direct flight from Sioux Falls, SD to Glen Ellyn, IL) is 453.02 mi.
560 mi = 901.81 kms