City size comparison

compared to

Detroit is about 2.9 times bigger than Boston.

Boston is approximately 124 sq km, while Detroit is approximately 359 sq km, making Detroit 190% larger than Boston.
Tip: This to-scale comparison of Boston vs. Detroit uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Detroit vs. Boston
Flip Comparison · See true size
See Detroit on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 44.9% more expensive than Detroit
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