City size comparison

compared to

Dayton is about 1.2 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Dayton is approximately 145 sq km, making Dayton 19% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Dayton uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Dayton vs. San Francisco

Flip Comparison · See true size
See Dayton on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 2.4 times more expensive than Dayton
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