Miles between Longmont, CO and Pierre, SD

There are
498 mi
from Longmont, CO to Pierre, SD

That's the driving distance. It would take 9 hours 23 mins to go from Longmont, Colorado to Pierre, South Dakota.

The flight distance (direct flight from Longmont, CO to Pierre, SD) is 378.36 mi.

498 mi = 801.37 kms