City size comparison

compared to

Santa Ana is about 1.7 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Santa Ana (map shows its 60 named neighbourhoods; the area covers the whole city) is approximately 71 sq km, making Santa Ana 58.6% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. Santa Ana uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Santa Ana vs. San Francisco

Flip Comparison · See true size
See Santa Ana on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 45.2% more expensive than Santa Ana
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