Miles between Boulder, CO and Tukwila, WA

There are
1,297 mi
from Boulder, CO to Tukwila, WA

That's the driving distance. It would take 22 hours 36 mins to go from Boulder, Colorado to Tukwila, Washington.

The flight distance (direct flight from Boulder, CO to Tukwila, WA) is 989.18 mi.

1,297 mi = 1.61 kms