Hampton, Virginia is 3.4 times larger than Alexandria, Virginia.
Area: 40 km2 calculated
Alexandria is an independent city in the Commonwealth of Virginia. As of the 2010 census, the population was 139,966, in 2013, the population was estimated to be 151,218. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C. Wikipedia
Area: 136 km2 calculated
Hampton is an independent city in Virginia. As of the 2010 census, the population was 137,436. As one of the seven major cities that compose the Hampton Roads metropolitan area, it is on the southeastern end of the Virginia Peninsula. Hampton traces its history to 1607. Wikipedia