Atlanta is 7.4 times larger than Hartford, Connecticut.
Area: 346 km2 calculated
Atlanta is the capital of and the most populous city in the U.S. state of Georgia, with an estimated 2013 population of 447,841. Atlanta is the cultural and economic center of the Atlanta metropolitan area, home to 5,522,942 people and the ninth largest metropolitan area in the United States. Wikipedia
Area: 47 km2 calculated
Hartford is the capital of the U.S. state of Connecticut and the historic seat of Hartford County until Connecticut disbanded county government in 1960. Wikipedia