Miles between Longmont, CO and Marion, IA

There are
791 mi
from Longmont, CO to Marion, IA

That's the driving distance. It would take 14 hours 11 mins to go from Longmont, Colorado to Marion, Iowa.

The flight distance (direct flight from Longmont, CO to Marion, IA) is 714.47 mi.

791 mi = 1,273.70 kms