MissoulaMontanaBillingsGreat FallsBozemanHelenaButteKalispellHavreMiles CityGlendivePolsonDillonHardinGlasgowIdahoBoiseCaldwellIdaho FallsWashingtonSeattleTacomaVancouverOregonPortlandEugeneSalemPocatelloLewistonTwin FallsCoeur d'Alene200 km200 miles