Miles between Longmont, CO and Sioux City, IA

There are
588 mi
from Longmont, CO to Sioux City, IA

That's the driving distance. It would take 10 hours 49 mins to go from Longmont, Colorado to Sioux City, Iowa.

The flight distance (direct flight from Longmont, CO to Sioux City, IA) is 479.08 mi.

588 mi = 945.94 kms