City size comparison

compared to

Boston is about 3.5 times smaller than Montreal.

Montreal is approximately 432 sq km, while Boston is approximately 124 sq km, making Boston 28.74% the size of Montreal.
Tip: This to-scale comparison of Montreal vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Montreal
Flip Comparison · See true size
See Boston on top of Montreal
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Cost of Living Comparison · 7 categories - 2026 data
Montreal is 33.1% cheaper than Boston
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