Yantai (China) is 53 times 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: 13,639 km2 calculated
Yantai, formerly known as Chefoo or Chih-fou, is a prefecture-level city in northeastern Shandong province, People's Republic of China. Located on the Bohai Strait and the southern coast of the Korea Bay, Yantai borders the cities of Qingdao and Weihai to the southwest and east respectively. Wikipedia