Depends on mood. London is bigger in land, parks, and history. New York is denser, taller, and louder. They’re like siblings: London is the older, quieter one reading a book. New York is the younger one blasting music and eating a hot dog.
Here’s the real answer: Both are too big to truly know. You could live in one for a decade and still discover a hidden courtyard or a secret speakeasy. So grab a map. Or better yet, just visit both. Then argue about it with your friends. It’s way more fun that way.
