City size comparison

compared to

Baltimore is about 1.7 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Baltimore is approximately 210 sq km, making Baltimore 73% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Baltimore uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Baltimore vs. San Francisco

Flip Comparison · See true size
See Baltimore on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 42.1% more expensive than Baltimore
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