City size comparison
compared to
Boston is around the same size as San Francisco.
San Francisco (including the city proper only) is approximately 121 sq km, while Boston is approximately 124 sq km, making Boston 2% larger than San Francisco.
This to-scale comparison of
San Francisco
vs.
Boston
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.