Miles between Longmont, CO and Renton, WA

There are
1,279 mi
from Longmont, CO to Renton, WA

That's the driving distance. It would take 22 hours 11 mins to go from Longmont, Colorado to Renton, Washington.

The flight distance (direct flight from Longmont, CO to Renton, WA) is 988.45 mi.

1,279 mi = 1.61 kms