Providence is about 35 times smaller than Houston.

Houston is approximately 1,659 sq km, while Providence is approximately 48 sq km, making Providence 2.87% the size of Houston.
Tip: This to-scale comparison of Houston vs. Providence 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.