Phoenix is about 13 times bigger than Barcelona.

Barcelona is approximately 101 sq km, while Phoenix is approximately 1,342 sq km, making Phoenix 1,225% larger than Barcelona.
Tip: This to-scale comparison of Barcelona 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.