Miles between Longmont, CO and Newton, IA

There are
703 mi
from Longmont, CO to Newton, IA

That's the driving distance. It would take 12 hours 24 mins to go from Longmont, Colorado to Newton, Iowa.

The flight distance (direct flight from Longmont, CO to Newton, IA) is 637.03 mi.

703 mi = 1,132.03 kms