Miles between Longmont, CO and Florissant, MO

There are
867 mi
from Longmont, CO to Florissant, MO

That's the driving distance. It would take 15 hours 15 mins to go from Longmont, Colorado to Florissant, Missouri.

The flight distance (direct flight from Longmont, CO to Florissant, MO) is 792.99 mi.

867 mi = 1,395.46 kms