City size comparison

compared to

Baltimore is about 1.7 times bigger than Boston.

Boston is approximately 124 sq km, while Baltimore is approximately 210 sq km, making Baltimore 69% larger than Boston.
Tip: This to-scale comparison of Boston vs. Baltimore uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Baltimore vs. Boston

Flip Comparison · See true size
See Baltimore on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 27.7% more expensive than Baltimore
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