Anguilla is about 1.4 times smaller than Boston.

Boston is approximately 124 sq km, while Anguilla is approximately 91 sq km, making Anguilla 73.39% the size of Boston.
Tip: This to-scale comparison of Boston vs. Anguilla 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.