The land area of the city is 48.42 sq mi (125.41 km 2 ) . 1,770 sq mi (4,600 km 2 ) is the area of the urban region of Boston, Massachusetts . Boston, Massachusetts is at an elevation of 43 m . 4,500 sq mi (11,700 km 2 ) is the area of the metro region of Boston, Massachusetts . 89.63 sq mi (232.14 km 2 ) is the area of the city namedBoston, Massachusetts . The city water area is 41.21 sq mi (106.73 km 2 )
Boston, Massachusetts is 2 mabove sea level