City size comparison

compared to

Barcelona is about 4.5 times smaller than Oslo.

Oslo is approximately 454 sq km, while Barcelona is approximately 101 sq km, making Barcelona 22.31% the size of Oslo.
Tip: This to-scale comparison of Oslo vs. Barcelona uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Barcelona vs. Oslo

Flip Comparison · See true size
See Barcelona on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 36.1% more expensive than Barcelona
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