Miles between Longmont, CO and Lake St Louis, MO

There are
841 mi
from Longmont, CO to Lake St Louis, MO

That's the driving distance. It would take 14 hours 43 mins to go from Longmont, Colorado to Lake St Louis, Missouri.

The flight distance (direct flight from Longmont, CO to Lake St Louis, MO) is 768.53 mi.

841 mi = 1,353.10 kms