Miles between Boulder, CO and Lynden, WA

There are
1,389 mi
from Boulder, CO to Lynden, WA

That's the driving distance. It would take 1 day to go from Boulder, Colorado to Lynden, Washington.

The flight distance (direct flight from Boulder, CO to Lynden, WA) is 1,043.97 mi.

1,389 mi = 1.61 kms