Chattanooga, Tennessee is 4.9 times larger than Miramar, Florida.
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
Area: 80 km2 calculated
Miramar is a city in Broward County, Florida, United States. The city was named after the Miramar district of Havana, Cuba. As of the 2010 census, the population was 122,041. It is part of the South Florida metropolitan area, which was home to 5,564,635 people at the 2010 census. Wikipedia