City size comparison

 Sydney, Australia
compared to
 San Francisco (CA), United States

Sydney is about 4.5 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Sydney is approximately 27 sq km, making Sydney 22.07% the size of San Francisco. We have positioned the outline of San Francisco near the middle of Sydney.
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This to-scale comparison of San Francisco vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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