Miles between Longmont, CO and Green River, WY

There are
329 mi
from Longmont, CO to Green River, WY

That's the driving distance. It would take 5 hours 44 mins to go from Longmont, Colorado to Green River, Wyoming.

The flight distance (direct flight from Longmont, CO to Green River, WY) is 246.68 mi.

329 mi = 529.59 kms