City size comparison

compared to

Osaka is about 1.8 times bigger than Boston.

Boston is approximately 124 sq km, while Osaka is approximately 223 sq km, making Osaka 80% larger than Boston.
Tip: This to-scale comparison of Boston vs. Osaka uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Osaka vs. Boston

Flip Comparison · See true size
See Osaka on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 2.6 times more expensive than Osaka
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