Tasmania (Australia) is 9.9% larger than West Virginia (USA).
Tasmania is an island state, part of the Commonwealth of Australia, located 240 kilometres to the south of the Australian continent, separated by Bass Strait. The state includes the island of Tasmania, the 26th largest island in the world, and the surrounding 334 islands. Wikipedia
West Virginia (/ˌwɛstvɚˈdʒɪnjə/(helpinfo)) is a state in the Appalachian, Upland South, and Mid-Atlantic regions of the United States, bordered by Virginia on the southeast, Kentucky on the southwest, Ohio on the northwest, and Pennsylvania and Maryland on the northeast. Wikipedia