Indianapolis is about 1.5 times bigger than Toronto.

Toronto is approximately 630 sq km, while Indianapolis is approximately 935 sq km, making Indianapolis 48% larger than Toronto.
Tip: This to-scale comparison of Toronto 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.