The distance between Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima is 709 Km by road. You can also find the distance from Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from Penticton to Mount St. Helens via Okanogan, Wenatchee, Yakima for road driving directions!