Jerusalem is 2.4 times larger than Tel Aviv.
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
Area: 52 km2 calculated
Tel Aviv is the second most populous city in Israel, and makes up the largest part of the city municipality of Tel Aviv-Yafo, which has a population of 414,600. Wikipedia