Miles between Longmont, CO and Rock Springs, WY

There are
314 mi
from Longmont, CO to Rock Springs, WY

That's the driving distance. It would take 5 hours 29 mins to go from Longmont, Colorado to Rock Springs, Wyoming.

The flight distance (direct flight from Longmont, CO to Rock Springs, WY) is 235.62 mi.

314 mi = 504.95 kms