City size comparison

compared to

San Francisco is about 23 times smaller than Ottawa.

Ottawa is approximately 2,779 sq km, while San Francisco (including the city proper only) is approximately 121 sq km, making San Francisco 4.35% the size of Ottawa.
Tip: This to-scale comparison of Ottawa 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. Ottawa

Flip Comparison · See true size
See San Francisco on top of Ottawa
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Cost of Living Comparison · 7 categories - 2026 data
Ottawa is 40.3% cheaper than San Francisco
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