City size comparison

compared to

Barcelona is about 3.8 times bigger than Sydney.

Sydney is approximately 27 sq km, while Barcelona is approximately 101 sq km, making Barcelona 279% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Barcelona uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Barcelona vs. Sydney

Flip Comparison · See true size
See Barcelona on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 46.6% more expensive than Barcelona
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