Miles between Longmont, CO and Aberdeen, SD

There are
658 mi
from Longmont, CO to Aberdeen, SD

That's the driving distance. It would take 12 hours 31 mins to go from Longmont, Colorado to Aberdeen, South Dakota.

The flight distance (direct flight from Longmont, CO to Aberdeen, SD) is 496.03 mi.

658 mi = 1,059.46 kms