Miles between Longmont, CO and Ottawa, KS

There are
615 mi
from Longmont, CO to Ottawa, KS

That's the driving distance. It would take 10 hours 33 mins to go from Longmont, Colorado to Ottawa, Kansas.

The flight distance (direct flight from Longmont, CO to Ottawa, KS) is 535.65 mi.

615 mi = 989.70 kms