Miles between Longmont, CO and Ottawa, IL

There are
935 mi
from Longmont, CO to Ottawa, IL

That's the driving distance. It would take 16 hours 36 mins to go from Longmont, Colorado to Ottawa, Illinois.

The flight distance (direct flight from Longmont, CO to Ottawa, IL) is 853.60 mi.

935 mi = 1,505.42 kms