City size comparison

compared to

Portland is about 2.8 times bigger than Boston.

Boston is approximately 124 sq km, while Portland is approximately 346 sq km, making Portland 179% larger than Boston.
Tip: This to-scale comparison of Boston vs. Portland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portland vs. Boston

Flip Comparison · See true size
See Portland on top of Boston
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Cost of Living Comparison · 7 categories - 2026 data
Boston is 24.9% more expensive than Portland
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