City size comparison

compared to

Oslo is about 2 times smaller than Berlin.

Berlin is approximately 891 sq km, while Oslo is approximately 454 sq km, making Oslo 50.96% the size of Berlin.
Tip: This to-scale comparison of Berlin vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oslo vs. Berlin

Flip Comparison · See true size
See Oslo on top of Berlin
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Cost of Living Comparison · 7 categories - 2026 data
Berlin is 22.0% cheaper than Oslo
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