Miles between Duluth, MN and Boulder, CO

There are
1,081 mi
from Duluth, MN to Boulder, CO

That's the driving distance. It would take 19 hours 6 mins to go from Duluth, Minnesota to Boulder, Colorado.

The flight distance (direct flight from Duluth, MN to Boulder, CO) is 808.25 mi.

1,081 mi = 1.61 kms