Miles between Longmont, CO and Sunnyside, WA

There are
1,103 mi
from Longmont, CO to Sunnyside, WA

That's the driving distance. It would take 18 hours 54 mins to go from Longmont, Colorado to Sunnyside, Washington.

The flight distance (direct flight from Longmont, CO to Sunnyside, WA) is 860.44 mi.

1,103 mi = 1.61 kms