City size comparison

compared to

Rio De Janeiro is about 2 times bigger than Seoul.

Seoul is approximately 605 sq km, while Rio De Janeiro is approximately 1,221 sq km, making Rio De Janeiro 102% larger than Seoul.
Tip: This to-scale comparison of Seoul vs. Rio De Janeiro uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Rio De Janeiro vs. Seoul

Flip Comparison · See true size
See Rio De Janeiro on top of Seoul
→
Cost of Living Comparison · 7 categories - 2026 data
Seoul is 32.7% more expensive than Rio De Janeiro
→
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