City size comparison

compared to

Seoul is about 9 times smaller than Istanbul.

Istanbul is approximately 5,343 sq km, while Seoul is approximately 605 sq km, making Seoul 11.33% the size of Istanbul.
Tip: This to-scale comparison of Istanbul vs. Seoul uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Seoul vs. Istanbul

Flip Comparison · See true size
See Seoul on top of Istanbul
→
Cost of Living Comparison · 7 categories - 2026 data
Istanbul is 15.5% cheaper than Seoul
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play