Miles between St Charles, MO and Duluth, MN

There are
655 mi
from St Charles, MO to Duluth, MN

That's the driving distance. It would take 12 hours 58 mins to go from St Charles, Missouri to Duluth, Minnesota.

The flight distance (direct flight from St Charles, MO to Duluth, MN) is 558.42 mi.

655 mi = 1,054.62 kms