Miles between Longmont, CO and Quincy, IL

There are
853 mi
from Longmont, CO to Quincy, IL

That's the driving distance. It would take 15 hours to go from Longmont, Colorado to Quincy, Illinois.

The flight distance (direct flight from Longmont, CO to Quincy, IL) is 723.62 mi.

853 mi = 1,372.57 kms