City size comparison
compared to
San Francisco is about 13 times smaller than London.
London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 7.7% the size of London.
This to-scale comparison of
London
vs.
San Francisco
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
