City size comparison

compared to

Saint Louis is about 2.7 times smaller than Montreal.

Montreal is approximately 432 sq km, while Saint Louis is approximately 160 sq km, making Saint Louis 37.05% the size of Montreal.
Tip: This to-scale comparison of Montreal vs. Saint Louis uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Saint Louis vs. Montreal

Flip Comparison · See true size
See Saint Louis on top of Montreal
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Cost of Living Comparison · 7 categories - 2026 data
Montreal is 12.5% cheaper than Saint Louis
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