Memphis, Tennessee is 3.1 times larger than Tallahassee, Florida.
Area: 849 km2 calculated
Memphis is a city in the southwestern corner of the U.S. state of Tennessee, and the county seat of Shelby County. The city is located on the 4th Chickasaw Bluff, south of the confluence of the Wolf and Mississippi rivers. Wikipedia
Area: 270 km2 calculated
Tallahassee is the capital of the U.S. state of Florida. It is the county seat and only incorporated municipality in Leon County, and is the 125th largest city in the United States. Tallahassee became the capital of Florida, then the Florida Territory, in 1824. Wikipedia