Jacksonville, Florida is 38 times larger than Tel Aviv.
Area: 1,988 km2 calculated
Jacksonville is the largest city in the U.S. state of Florida by population and the largest city by area in the contiguous United States. It is the county seat of Duval County, with which the city government consolidated in 1968. 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