Handan (China) is 70 times larger than Irvine, California.
Area: 12,036 km2 calculated
Handan is a prefecture-level city located in the southwestern part of Hebei province, People's Republic of China. It borders Xingtai on the north, and the provinces of Shanxi on the west, Henan on the south and Shandong on the east. Wikipedia
Area: 173 km2 calculated
Irvine is a suburban city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Wikipedia