Miles between Boulder, CO and Maple Valley, WA

There are
1,285 mi
from Boulder, CO to Maple Valley, WA

That's the driving distance. It would take 22 hours 24 mins to go from Boulder, Colorado to Maple Valley, Washington.

The flight distance (direct flight from Boulder, CO to Maple Valley, WA) is 976.87 mi.

1,285 mi = 1.61 kms