There are
435 mi
from Duluth, MN to Algonquin, IL
That's the driving distance. It would take 8 hours 12 mins to go from Duluth, Minnesota to Algonquin, Illinois.
The flight distance (direct flight from Duluth, MN to Algonquin, IL) is 370.24 mi.
435 mi = 700.29 kms