Where Is Guam

Guam is a U.S. territory in the western Pacific Ocean, at the boundary of the Philippine Sea. It is the southernmost and largest member of the Mariana Islands archipelago, which is itself the northernmost group of islands in Micronesia. Guam is located about **5,800 miles (9,300 km) west of San Francisco** and **1,600 miles (2,600 km) east of Manila**.