City size comparison

compared to

Tehran is about 1.5 times bigger than Oslo.

Oslo is approximately 454 sq km, while Tehran is approximately 686 sq km, making Tehran 51% larger than Oslo.
Tip: This to-scale comparison of Oslo vs. Tehran uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Tehran vs. Oslo

Flip Comparison · See true size
See Tehran on top of Oslo
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Cost of Living Comparison · 7 categories - 2026 data
Oslo is 5.4 times more expensive than Tehran
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