Miles between Duluth, MN and Merrillville, IN

There are
509 mi
from Duluth, MN to Merrillville, IN

That's the driving distance. It would take 9 hours 47 mins to go from Duluth, Minnesota to Merrillville, Indiana.

The flight distance (direct flight from Duluth, MN to Merrillville, IN) is 435.92 mi.

509 mi = 819.22 kms