How Big Is San Francisco?

San Francisco covers approximately 121 square kilometers (47 square miles). It is a city in United States, located in California. That's roughly the same size as Boston.

San Francisco vs

San Francisco on the Map

121 km²
47 sq mi
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San Francisco's Geography

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

How Long and Wide Is San Francisco?

San Francisco spans about 14 km (9 mi) from north to south, and 14 km (9 mi) from east to west.

Similar in Size

Bronx
109 km²
10% smaller
Hayward
119 km²
about the same size
Ulm
119 km²
about the same size
San Francisco
121 km²
Vancouver
124 km²
about the same size
Chula Vista
129 km²
6% larger

How Big Is San Francisco Compared to Well-Known Places?

Place Area vs San Francisco
Paris 105 km² (41 sq mi) 13% smaller
San Francisco 121 km² (47 sq mi) —
Boston 124 km² (48 sq mi) about the same size
Montreal 432 km² (167 sq mi) 3.6× larger
Tokyo 619 km² (239 sq mi) 5× larger
Toronto 630 km² (243 sq mi) 5× larger

Length and width are measured from the outline on the map. Sources: The World Factbook. How we calculate this

Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
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Explore San Francisco

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San Francisco at a Glance

Statistic Value
Total Area 121 km² (47 sq mi)
Country United States
State California