Miles between Longmont, CO and Rapid City, SD

There are
383 mi
from Longmont, CO to Rapid City, SD

That's the driving distance. It would take 6 hours 50 mins to go from Longmont, Colorado to Rapid City, South Dakota.

The flight distance (direct flight from Longmont, CO to Rapid City, SD) is 286.86 mi.

383 mi = 616.75 kms