Boston is about 3.8 times smaller than Scottsdale.

Scottsdale is approximately 477 sq km, while Boston is approximately 124 sq km, making Boston 26.02% the size of Scottsdale.
Tip: This to-scale comparison of Scottsdale vs. Boston 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.