New York City is 3.7 times larger than Baton Rouge, Louisiana.
Area: 214 km2 calculated
Baton Rouge, French for "Red Stick," is the capital of the U.S. state of Louisiana and its second-largest city. The seat of East Baton Rouge Parish, the city is located on the banks of the Mississippi River. 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