There are
445 mi
from Des Plaines, IL to New Ulm, MN
That's the driving distance. It would take 8 hours 20 mins to go from Des Plaines, Illinois to New Ulm, Minnesota.
The flight distance (direct flight from Des Plaines, IL to New Ulm, MN) is 366.77 mi.
445 mi = 716.04 kms