Miles between Longmont, CO and Marshalltown, IA

There are
721 mi
from Longmont, CO to Marshalltown, IA

That's the driving distance. It would take 12 hours 49 mins to go from Longmont, Colorado to Marshalltown, Iowa.

The flight distance (direct flight from Longmont, CO to Marshalltown, IA) is 647.40 mi.

721 mi = 1,159.66 kms