Santa Ana is about 1.5 times smaller than Paris.

Paris is approximately 105 sq km, while Santa Ana (map shows its 60 named neighbourhoods; the area covers the whole city) is approximately 71 sq km, making Santa Ana 67.27% the size of Paris.
Tip: This to-scale comparison of Paris vs. Santa Ana 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.