City size comparison

compared to

Rome is about 2.8 times bigger than Oslo.

Oslo is approximately 454 sq km, while Rome is approximately 1,287 sq km, making Rome 183% larger than Oslo.
Tip: This to-scale comparison of Oslo vs. Rome uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Rome vs. Oslo

Flip Comparison · See true size
See Rome on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 51.7% more expensive than Rome
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