State size comparison

compared to

Pennsylvania is about 959 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 95,830% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Pennsylvania vs. San Francisco
Flip Comparison · See true size
See Pennsylvania on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 52.9% more expensive than Pennsylvania
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