City size comparison

compared to

Boston is about 1.2 times bigger than Barcelona.

Barcelona is approximately 101 sq km, while Boston is approximately 124 sq km, making Boston 22% larger than Barcelona.
Tip: This to-scale comparison of Barcelona vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Boston vs. Barcelona

Flip Comparison · See true size
See Boston on top of Barcelona
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Cost of Living Comparison · 7 categories - 2026 data
Barcelona is 23.6% cheaper than Boston
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