City size comparison

compared to

Tehran is about 3.2 times bigger than Helsinki.

Helsinki is approximately 214 sq km, while Tehran is approximately 686 sq km, making Tehran 220% larger than Helsinki.
Tip: This to-scale comparison of Helsinki vs. Tehran uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Tehran vs. Helsinki

Flip Comparison · See true size
See Tehran on top of Helsinki
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Cost of Living Comparison · 7 categories - 2026 data
Helsinki is 3.8 times more expensive than Tehran
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