Afghanistan is 5,221 times larger than Jerusalem.
Area: 652,230 km2 World Factbook
Population: 31,822,848 (July 2014) World Factbook
Afghanistan, officially the Islamic Republic of Afghanistan, is a landlocked country located in Central Asia and South Asia. It has a population of around 31 million people making it the 42nd most populous country. Wikipedia
Area: 125 km2 calculated
Jerusalem, located on a plateau in the Judean Mountains between the Mediterranean and the Dead Sea, is one of the oldest cities in the world. It is considered holy to the three major Abrahamic religions—Judaism, Christianity and Islam. Wikipedia