Piauí is one of the states of Brazil, located in the country's Northeast Region. Piauí has the shortest coastline of any of the non-landlocked Brazilian states at 66 km, and the capital, Teresina, is the only state capital in the northeast to be located inland. Wikipedia

Washington is a state in the Pacific Northwest region of the United States located north of Oregon, west of Idaho, and south of the Canadian province of British Columbia on the coast of the Pacific Ocean. Wikipedia