City size comparison

compared to

Boston is about 4.9 times smaller than Seoul.

Seoul is approximately 605 sq km, while Boston is approximately 124 sq km, making Boston 20.49% the size of Seoul.
Tip: This to-scale comparison of Seoul vs. Boston uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Boston vs. Seoul

Flip Comparison · See true size
See Boston on top of Seoul
→
Cost of Living Comparison · 7 categories - 2026 data
Seoul is 38.5% cheaper than Boston
→
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