Zhongshan (China) is 69 times larger than El Monte, California.
Area: 25 km2 calculated
El Monte is a residential, industrial, and commercial city in Los Angeles County of Southern California, the United States. The city lies in the San Gabriel Valley east of the city of Los Angeles. Wikipedia
Area: 1,726 km2 calculated
Zhōngshān, previously known as Xiāngshān, is a prefecture-level city in the south of the Pearl River Delta in Guangdong province, People's Republic of China. Zhongshan, one of the few cities in China with an eponymous name, is named after Dr. Sun Yat-sen who is known in Chinese as Sun Zhongshan. Wikipedia