Miles between Longmont, CO and Marysville, WA

There are
1,307 mi
from Longmont, CO to Marysville, WA

That's the driving distance. It would take 22 hours 44 mins to go from Longmont, Colorado to Marysville, Washington.

The flight distance (direct flight from Longmont, CO to Marysville, WA) is 1,003.71 mi.

1,307 mi = 1.61 kms