Stamford is about 4.4 times smaller than Montreal.

Montreal is approximately 432 sq km, while Stamford is approximately 97 sq km, making Stamford 22.59% the size of Montreal.
Tip: This to-scale comparison of Montreal vs. Stamford 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.