Ghana is 634 times larger than Portland, Oregon.
Area: 238,533 km2 World Factbook
Population: 25,758,108 (July 2014) World Factbook
Ghana, officially called the Republic of Ghana, is a sovereign multinational state and unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic Ocean, in the subregion of West Africa. Wikipedia
Area: 376 km2 calculated
Portland is the largest city by population in the U.S. state of Oregon, near the confluence of the Willamette and Columbia rivers. Wikipedia