Hawaii (Wikipedia) Hawaii (/həˈwaɪi/ hə-WY-ee; Hawaiian: Hawaiʻi, [həˈvɐjʔi] or [həˈwɐjʔi]) is a state in the Western United States, about 2,000 miles (3,200 km) from the U.S. mainland in the Pacific Ocean. It is the only U.S. state outside North America, the only state that is an archipelago, and the only state in the tropics.