Chula Vista, California is 72% larger than Ann Arbor, Michigan.
Area: 77 km2 calculated
Ann Arbor is a city in the US state of Michigan and the county seat of Washtenaw County. The 2010 census recorded its population to be 113,934, making it the sixth largest city in Michigan. Wikipedia
Area: 132 km2 calculated
Chula Vista is the second largest city in the San Diego metropolitan area, the seventh largest city in Southern California, the fourteenth largest city in the state of California, and the 76th-largest city in the United States. The population was 243,916 as of the 2010 census. Wikipedia