This article describes the geography of the United States territory of Guam. Location Oceania, island in the North Pacific Ocean, about a quarter of the way from the Philippines to Hawaii, United States Geographic coordinates 13°26′31″N 144°46′35″E Map references Oceania Area Total: 54 km² Land: 544 km² Water: 0 km² Area (comparative) Three times the size of Washington, D.C. Land boundaries Approximately 30 miles (51 km) long and 9 miles (15 km) wide, narrowing to 4 miles (7 km) at the center.