The distance between seattle wa to Santa Rosa CA via US-101, Astoria, Portland, Mendocino is 2796 Km by road. You can also find the distance from seattle wa to Santa Rosa CA via US-101, Astoria, Portland, Mendocino using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from seattle wa to Santa Rosa CA via US-101, Astoria, Portland, Mendocino for road driving directions!