New Orleans is about 2.1 times smaller than Indianapolis.

Indianapolis is approximately 935 sq km, while New Orleans is approximately 439 sq km, making New Orleans 46.93% the size of Indianapolis.
Tip: This to-scale comparison of Indianapolis vs. New Orleans 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.