City size comparison

compared to

Porirua is about 1.5 times bigger than San Francisco.

San Francisco (including the city proper only) is approximately 121 sq km, while Porirua is approximately 182 sq km, making Porirua 51% larger than San Francisco.
Tip: This to-scale comparison of San Francisco vs. Porirua uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Porirua vs. San Francisco

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See Porirua on top of San Francisco
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