Paris is about 1.7 times smaller than Porirua.

Porirua is approximately 182 sq km, while Paris is approximately 105 sq km, making Paris 57.79% the size of Porirua.
Tip: This to-scale comparison of Porirua vs. Paris uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.