Miles between Longmont, CO and Mountlake Terrace, WA

There are
1,292 mi
from Longmont, CO to Mountlake Terrace, WA

That's the driving distance. It would take 22 hours 28 mins to go from Longmont, Colorado to Mountlake Terrace, Washington.

The flight distance (direct flight from Longmont, CO to Mountlake Terrace, WA) is 1,001.22 mi.

1,292 mi = 1.61 kms