City size comparison

compared to

San Diego is about 2 times bigger than Montreal.

Montreal is approximately 432 sq km, while San Diego is approximately 844 sq km, making San Diego 96% larger than Montreal.
Tip: This to-scale comparison of Montreal vs. San Diego uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: San Diego vs. Montreal
Flip Comparison · See true size
See San Diego on top of Montreal
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Cost of Living Comparison · 7 categories - 2026 data
Montreal is 31.6% cheaper than San Diego
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