Miles between Thornton, CO and Monticello, MN

There are
868 mi
from Thornton, CO to Monticello, MN

That's the driving distance. It would take 16 hours 25 mins to go from Thornton, Colorado to Monticello, Minnesota.

The flight distance (direct flight from Thornton, CO to Monticello, MN) is 680.55 mi.

868 mi = 1,396.75 kms