Miles between Longmont, CO and Kennewick, WA

There are
1,071 mi
from Longmont, CO to Kennewick, WA

That's the driving distance. It would take 18 hours 15 mins to go from Longmont, Colorado to Kennewick, Washington.

The flight distance (direct flight from Longmont, CO to Kennewick, WA) is 819.40 mi.

1,071 mi = 1.61 kms