City size comparison

compared to

Barcelona is about 2.1 times smaller than Seattle.

Seattle is approximately 217 sq km, while Barcelona is approximately 101 sq km, making Barcelona 46.62% the size of Seattle.
Tip: This to-scale comparison of Seattle vs. Barcelona uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Barcelona vs. Seattle

Flip Comparison · See true size
See Barcelona on top of Seattle
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Cost of Living Comparison · 7 categories - 2026 data
Seattle is 63.5% more expensive than Barcelona
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