White House is about 80,667 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while White House is approximately 0.0015 km² (0.00058 sq mi), making White House 0.0% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. White House uses the Mercator projection, which distorts the size of regions near the poles.
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