Des Moines, Iowa is 45% 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: 235 km2 calculated
Des Moines is the capital and the most populous city in the U.S. state of Iowa. It is also the county seat of Polk County. A small portion of the city extends into Warren County. It was incorporated on September 22, 1851, as Fort Des Moines which was shortened to "Des Moines" in 1857. Wikipedia