Size comparison

compared to

Pentagon is about 1,263 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Pentagon is approximately 0.096 km² (0.037 sq mi), making Pentagon 0.08% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. Pentagon uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pentagon vs. San Francisco

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See Pentagon on top of San Francisco
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