Miles between Longmont, CO and Mt Vernon, WA

There are
1,335 mi
from Longmont, CO to Mt Vernon, WA

That's the driving distance. It would take 23 hours 17 mins to go from Longmont, Colorado to Mt Vernon, Washington.

The flight distance (direct flight from Longmont, CO to Mt Vernon, WA) is 1,021.74 mi.

1,335 mi = 1.61 kms