The New York Public Library’s Main Branch measures 390 feet (120 m) on its north–south axis by 270 feet (82 m) on its west–east axis. The library is located on the east side of the block bounded by Fifth Avenue on the east, 40th Street on the south, Sixth Avenue on the west, and 42nd Street on the east.
: https://en.wikipedia.org/wiki/New_York_Public_Library_Main_Branch

