Miles between Longmont, CO and Des Moines, WA

There are
1,289 mi
from Longmont, CO to Des Moines, WA

That's the driving distance. It would take 22 hours 25 mins to go from Longmont, Colorado to Des Moines, Washington.

The flight distance (direct flight from Longmont, CO to Des Moines, WA) is 990.71 mi.

1,289 mi = 1.61 kms