Houston is about 15 times bigger than South Bend.

South Bend (map shows its 30 named neighbourhoods; the area covers the whole city) is approximately 109 sq km, while Houston is approximately 1,659 sq km, making Houston 1,429% larger than South Bend.
Tip: This to-scale comparison of South Bend vs. Houston 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.