Orlando, Florida is 15% larger than Lancaster, California.
Area: 256 km2 calculated
Lancaster is a charter city in northern Los Angeles County, in the Antelope Valley of the western Mojave Desert in Southern California. Lancaster currently ranks as the 30th largest city in California, and the 148th largest city in the United States. Wikipedia
Area: 295 km2 calculated
Orlando is a major city in the U.S. state of Florida. Located in Central Florida, it is the county seat of Orange County and the center of the Greater Orlando metropolitan area. Wikipedia