Boston is around the same size as Grand Rapids.

Grand Rapids is approximately 116 sq km, while Boston is approximately 124 sq km, making Boston 7% larger than Grand Rapids.
Tip: This to-scale comparison of Grand Rapids 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.