How Big Is Boston?

Boston covers approximately 124 square kilometers (48 square miles). It is a city in United States, located in Massachusetts. That's roughly the same size as San Francisco.

Boston vs

Boston on the Map

124 km²
48 sq mi
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Boston's Geography

Boston is a city in United States, in the state of Massachusetts. Drag it across the map above to see its footprint over any country, state, or city.

How Far Across Is Boston?

Boston stretches approximately 19 km (12 mi) from north to south, and 22 km (14 mi) from east to west.

Similar in Size

How Big Is Boston Compared to Well-Known Places?

Place Area vs Boston
Paris 105 km² (41 sq mi) 15% smaller
San Francisco 121 km² (47 sq mi) about the same size
Boston 124 km² (48 sq mi)
Montreal 432 km² (167 sq mi) 3.5× larger
Toronto 630 km² (243 sq mi) 5× larger
New York City 781 km² (302 sq mi) 6× larger
Los Angeles 1,215 km² (469 sq mi) 10× larger
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.

Explore Boston

Boston at a Glance

Statistic Value
Total Area 124 km² (48 sq mi)
Country United States
State Massachusetts