City size comparison

compared to

Oslo is about 5 times bigger than Copenhagen.

Copenhagen is approximately 90 sq km, while Oslo is approximately 454 sq km, making Oslo 405% larger than Copenhagen.
Tip: This to-scale comparison of Copenhagen vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oslo vs. Copenhagen

Flip Comparison · See true size
See Oslo on top of Copenhagen
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Cost of Living Comparison · 7 categories - 2026 data
Copenhagen is 3.8% cheaper than Oslo
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