City size comparison

compared to

San Francisco is about 1.2 times smaller than Dayton.

Dayton is approximately 145 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 83.71% the size of Dayton.
Tip: This to-scale comparison of Dayton vs. San Francisco uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Francisco vs. Dayton

Flip Comparison · See true size
See San Francisco on top of Dayton
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Cost of Living Comparison · 7 categories - 2026 data
Dayton is 37.9% cheaper than San Francisco
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