Miles between Boulder, CO and Sunnyside, WA

There are
1,118 mi
from Boulder, CO to Sunnyside, WA

That's the driving distance. It would take 19 hours 15 mins to go from Boulder, Colorado to Sunnyside, Washington.

The flight distance (direct flight from Boulder, CO to Sunnyside, WA) is 859.14 mi.

1,118 mi = 1.61 kms