Phoenix is about 28 times bigger than Providence.

Providence is approximately 48 sq km, while Phoenix is approximately 1,342 sq km, making Phoenix 2,716% larger than Providence.
Tip: This to-scale comparison of Providence vs. Phoenix 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.