Calculate route from Spieden Island Airstrip (Washington, United States) to Portland (Oregon, United States).

The flight distance (as the crow flies) between Spieden Island Airstrip and Portland is 348.5 km.

Roadmap (route) to go from Spieden Island Airstrip to Portland detailed above, you can also see the course layout on the map.

While doing trip Spieden Island Airstrip - Portland by car, the calculated route ends at a distance , or more straight.