San Francisco is about 2.3 times smaller than Shreveport.

Shreveport is approximately 280 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 43.19% the size of Shreveport.
Tip: This to-scale comparison of Shreveport vs. San Francisco uses the Mercator projection, which distorts the size of regions near the poles.
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