Miles between Duluth, MN and Thornton, CO

There are
1,061 mi
from Duluth, MN to Thornton, CO

That's the driving distance. It would take 18 hours 42 mins to go from Duluth, Minnesota to Thornton, Colorado.

The flight distance (direct flight from Duluth, MN to Thornton, CO) is 802.72 mi.

1,061 mi = 1.61 kms