City size comparison

compared to

Oslo is about 17 times bigger than Sydney.

Sydney is approximately 27 sq km, while Oslo is approximately 454 sq km, making Oslo 1,601% larger than Sydney.
Tip: This to-scale comparison of Sydney vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oslo vs. Sydney

Flip Comparison · See true size
See Oslo on top of Sydney
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Cost of Living Comparison · 7 categories - 2026 data
Sydney is 44.7% more expensive than Oslo
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