Barcelona vs Buenos Aires - City Size Comparison

Is Barcelona Bigger Than Buenos Aires?

In terms of area, Buenos Aires is 2.0x the size of Barcelona. Buenos Aires spans 203 km² (78 mi²) while Barcelona covers 101 km² (39 mi²) — a difference of 102 km². You could fit Barcelona inside Buenos Aires approximately 2 times.

About Barcelona

A Mediterranean city known for Gaudi's architecture. Known as "The City of Counts", Barcelona covers 101 km² with a population of 1.7 million. The city was founded around 230 BC. Barcelona is known for Sagrada Família, Park Güell, La Rambla, among other attractions. The city's main transit system is the Barcelona Metro (TMB).

Gaudí's Sagrada Família has been under construction since 1882 and is expected to be completed around 2026

About Buenos Aires

Argentina's capital and a cultural powerhouse of South America. Often called "The Paris of South America", Buenos Aires has an area of 203 km² and is home to 3.1 million people. The city dates back to 1536. Visitors come for Tango dancing, La Boca neighborhood, Recoleta Cemetery, and much more. Getting around is easy with the Buenos Aires Subte.

Buenos Aires has more bookstores per capita than any other city in the world

Metropolitan Area Comparison

Looking beyond city limits, the Buenos Aires metropolitan area covers 4,758 km², which is 5.9x larger than greater Barcelona at 803 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 5.6 million.

Population Density

Barcelona has a population density of 16,436 people per km² — an extremely dense urban environment. Buenos Aires, with 15,074 people per km², is an extremely dense urban environment. Both cities have comparable density, though Barcelona is slightly more compact.

Climate & Time Zone

Barcelona has a Mediterranean climate while Buenos Aires experiences humid subtropical conditions. When it's noon in Barcelona, it's 8:00 AM in Buenos Aires — a 4-hour time difference.