City size comparison

compared to

Johannesburg is about 3.6 times bigger than Oslo.

Oslo is approximately 454 sq km, while Johannesburg is approximately 1,644 sq km, making Johannesburg 262% larger than Oslo.
Tip: This to-scale comparison of Oslo vs. Johannesburg uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Johannesburg vs. Oslo

Flip Comparison · See true size
See Johannesburg on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 2.3 times more expensive than Johannesburg
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