City size comparison

compared to

Sydney is about 17 times smaller than Oslo.

Oslo is approximately 454 sq km, while Sydney is approximately 27 sq km, making Sydney 5.88% the size of Oslo.
Tip: This to-scale comparison of Oslo vs. Sydney uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Sydney vs. Oslo

Flip Comparison · See true size
See Sydney on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 12.8% more expensive than Sydney
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