City size comparison
San Diego (CA), United States
compared to
San Francisco (CA), United States
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.
We have positioned the outline of San Francisco near the middle of San Diego.
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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.
