City size comparison

compared to

Helena is about 2.7 times smaller than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Helena (map shows its 6 named neighbourhoods; the area covers the whole city) is approximately 44 sq km, making Helena 36.75% the size of San Francisco.
Tip: This to-scale comparison of San Francisco vs. Helena uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Helena vs. San Francisco

Flip Comparison · See true size
See Helena on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 35.5% more expensive than Helena
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