City size comparison

compared to

Shanghai is about 51 times bigger than Boston.

Boston is approximately 124 sq km, while Shanghai is approximately 6,341 sq km, making Shanghai 5,014% larger than Boston.
Tip: This to-scale comparison of Boston vs. Shanghai uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Shanghai vs. Boston

Flip Comparison · See true size
See Shanghai on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 2.8 times more expensive than Shanghai
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