City size comparison

compared to

Tokyo is about 5 times bigger than Boston.

Boston is approximately 124 sq km, while Tokyo is approximately 619 sq km, making Tokyo 399% larger than Boston.
Tip: This to-scale comparison of Boston vs. Tokyo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Tokyo vs. Boston

Flip Comparison · See true size
See Tokyo on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 2.1 times more expensive than Tokyo
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