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 on the Map
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 Long and Wide Is Boston?
Boston spans about 22 km (14 mi) from east to west, and 19 km (12 mi) from north to south.
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 |
| Tokyo | 619 km² (239 sq mi) | 5× larger |
| Toronto | 630 km² (243 sq mi) | 5× larger |
| New York City | 781 km² (302 sq mi) | 6× larger |
Length and width are measured from the outline on the map. Sources: Boston Municipal Research Bureau. How we calculate this