Queens (NYC borough) is 2.3 times larger than San Francisco.
Area: 282 km2 calculated
Queens is the easternmost and largest in area of the five boroughs of New York City, geographically adjacent to the borough of Brooklyn at the western end of Long Island. Wikipedia
Area: 122 km2 calculated
San Francisco, officially the City and County of San Francisco, is the cultural center and a leading financial hub of the San Francisco Bay Area and Northern California. Wikipedia