Dongguan (China) is 3.1 times larger than New York City.
Area: 2,456 km2 calculated
Dongguan is a prefecture-level city in central Guangdong province, People's Republic of China. Wikipedia
Area: 784 km2 calculated
New York is the most populous city in the United States and the center of the New York metropolitan area, the premier gateway for legal immigration to the United States and one of the most populous urban agglomerations in the world. Wikipedia