New York City is 2.5 times larger than Malta.
Area: 316 km2 World Factbook
Population: 412,655 (July 2014) World Factbook
Malta is a southern European country in the Mediterranean Sea. It lies 80 km south of Sicily, 284 km east of Tunisia, and 333 km north of Libya. The country covers just over 316 km², making it one of the world's smallest and most densely populated countries. 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