Ghana is 370 times larger than Changge (China).
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: 645 km2 calculated
Changge is a city of Xuchang, Henan Province, China. In the Han Dynasty, it was known as Changshe is a county-level city in the central of Henan province in China. It ranges in latitude from 34°09' to 34° 20'N and longitude from 113° 34' to 114°08'E. Wikipedia