To find the driving direction from Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima which is 709 by road, click on Show Directions after entering start and end locations in the calculator control. It takes around 545 to reach Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima. Tired of travelling by road? You can just fly from Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima. Check the
Flight Time from Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima before travelling.