Norman, Oklahoma is 8.3 times larger than Hialeah, Florida.
Area: 59 km2 calculated
Hialeah is a city in Miami-Dade County, Florida, United States. As of the 2010 census, Hialeah has a population of 224,669. Hialeah is the sixth-largest city in the state, and is a major municipality within Greater Miami. Wikipedia
Area: 491 km2 calculated
Norman is a U.S. city in Oklahoma 20 miles south of downtown Oklahoma City in its metropolitan area. Norman's 118,197 residents make it the third-largest city in Oklahoma by population, and the city serves as the county seat of Cleveland County. Wikipedia