Country size comparison

compared to

Japan is about 3,048 times bigger than Boston.

Boston is approximately 124 sq km, while Japan is approximately 377,915 sq km, making Japan 304,670% larger than Boston.
Tip: This to-scale comparison of Boston vs. Japan uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Japan vs. Boston
Flip Comparison · See true size
See Japan on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 2.8 times more expensive than Japan overall
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