City size comparison

compared to

Portland is about 15 times smaller than Istanbul.

Istanbul is approximately 5,343 sq km, while Portland is approximately 346 sq km, making Portland 6.47% the size of Istanbul.
Tip: This to-scale comparison of Istanbul vs. Portland uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Portland vs. Istanbul

Flip Comparison · See true size
See Portland on top of Istanbul
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Cost of Living Comparison · 7 categories - 2026 data
Istanbul is 47.2% cheaper than Portland
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