City size comparison

compared to

Barcelona is about 1.2 times smaller than Boston.

Boston is approximately 124 sq km, while Barcelona is approximately 101 sq km, making Barcelona 81.69% the size of Boston.
Tip: This to-scale comparison of Boston vs. Barcelona uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Barcelona vs. Boston

Flip Comparison · See true size
See Barcelona on top of Boston
→
Cost of Living Comparison · 7 categories - 2026 data
Boston is 66.2% more expensive than Barcelona
→
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