City size comparison

compared to

San Francisco is about 2.7 times bigger than Helena.

Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 172% larger than Helena.
Tip: This to-scale comparison of Helena 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. Helena

Flip Comparison · See true size
See San Francisco on top of Helena
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Cost of Living Comparison · 7 categories - 2026 data
Helena is 13.5% cheaper than San Francisco
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