City size comparison

compared to

Helsinki is about 1.8 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Helsinki is approximately 214 sq km, making Helsinki 77% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Helsinki uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Helsinki vs. San Francisco

Flip Comparison · See true size
See Helsinki on top of San Francisco
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Cost of Living Comparison · 7 categories - 2026 data
San Francisco is 72.2% more expensive than Helsinki
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