Here is how Washington, D.C.'s size compares to other major cities in the United States:
1. New York City: New York City is the most populous city in the United States, with a population of over 8.5 million people. It has a total area of 468.9 square miles (1,214.4 square kilometers), which is about seven times larger than Washington, D.C.
2. Los Angeles: Los Angeles is the second-most populous city in the United States, with a population of over 3.8 million people. It has a total area of 503 square miles (1,302.8 square kilometers), which is about seven times larger than Washington, D.C.
3. Chicago: Chicago is the third-most populous city in the United States, with a population of over 2.7 million people. It has a total area of 228 square miles (589.6 square kilometers), which is about three times larger than Washington, D.C.
4. Houston: Houston is the fourth-most populous city in the United States, with a population of over 2.3 million people. It has a total area of 637 square miles (1,649.8 square kilometers), which is about nine times larger than Washington, D.C.
5. Phoenix: Phoenix is the fifth-most populous city in the United States, with a population of over 1.6 million people. It has a total area of 517 square miles (1,339.7 square kilometers), which is about seven times larger than Washington, D.C.