Miles between Boulder, CO and Issaquah, WA

There are
1,278 mi
from Boulder, CO to Issaquah, WA

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

The flight distance (direct flight from Boulder, CO to Issaquah, WA) is 981.24 mi.

1,278 mi = 1.61 kms