There are
500 mi
from Duluth, MN to Kewanee, IL
That's the driving distance. It would take 9 hours 35 mins to go from Duluth, Minnesota to Kewanee, Illinois.
The flight distance (direct flight from Duluth, MN to Kewanee, IL) is 397.78 mi.
500 mi = 803.88 kms