City size comparison

compared to

London is about 3.5 times bigger than Oslo.

Oslo is approximately 454 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 246% larger than Oslo.
Tip: This to-scale comparison of Oslo vs. London uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: London vs. Oslo

Flip Comparison · See true size
See London on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 5.6% cheaper than London
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