City size comparison
compared to
San Diego is about 7 times bigger than San Francisco.
San Francisco (including the city proper only) is approximately 121 sq km, while San Diego is approximately 844 sq km, making San Diego 598% larger than San Francisco.
This to-scale comparison of
San Francisco
vs.
San Diego
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
