New Orleans is about 1.4 times smaller than Tokyo.

Tokyo is approximately 619 sq km, while New Orleans is approximately 439 sq km, making New Orleans 70.89% the size of Tokyo.
Tip: This to-scale comparison of Tokyo 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.