Shengzhou (China) is 17 times larger than Fontana, California.
Area: 106 km2 calculated
Fontana is a city of 200,762 residents in San Bernardino County, California. Founded by Azariel Blanchard Miller in 1913, it remained essentially rural until World War II, when entrepreneur Henry J. Kaiser built a large steel mill in the area. Wikipedia
Area: 1,776 km2 calculated
Shengzhou is a county-level city in central Zhejiang inland south of the Hangzhou Bay, and is the south-eastern part of the prefecture-level city of Shaoxing. It is about 1.5 hours drive from the provincial capital of Hangzhou through the Hangzhou-Ningbo、Shangyu-Sanmen Expressway. Wikipedia