Indianapolis is about 2.1 times bigger than New Orleans.

New Orleans is approximately 439 sq km, while Indianapolis is approximately 935 sq km, making Indianapolis 113% larger than New Orleans.
Tip: This to-scale comparison of New Orleans vs. Indianapolis 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.