Miami is about 10 times smaller than Indianapolis.

Indianapolis is approximately 935 sq km, while Miami is approximately 92 sq km, making Miami 9.88% the size of Indianapolis.
Tip: This to-scale comparison of Indianapolis vs. Miami 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.