Syracuse is about 1.9 times smaller than Boston.

Boston is approximately 124 sq km, while Syracuse is approximately 65 sq km, making Syracuse 52.34% the size of Boston.
Tip: This to-scale comparison of Boston vs. Syracuse 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.