The metro region is 4,500 sq mi (11,700 km 2 ) in area . The city land area is 48.42 sq mi (125.41 km 2 ) . The urban region is 1,770 sq mi (4,600 km 2 ) in area . The city water area is 41.21 sq mi (106.73 km 2 ) . The area of the city is 89.63 sq mi (232.14 km 2 ) . Boston, Massachusetts is at an elevation of 141 ft
The urban region of Boston, Massachusetts is 4600 km 2 )