Chattanooga, Tennessee is 2.4 times larger than Akron, Ohio.
Area: 162 km2 calculated
Akron is the fifth largest city in the U.S. state of Ohio and is the county seat of Summit County. It is located in the Great Lakes region approximately 39 miles south of Lake Erie along the Little Cuyahoga River. As of the 2010 census, the city had a population of 199,110. Wikipedia
Area: 390 km2 calculated
Chattanooga is the fourth-largest city in the U.S. state of Tennessee, with a population of 167,674 as of the 2010 census, and an estimated population of 171,279 in 2012. It is the seat of Hamilton County. Wikipedia