Argentina
Spain
Area Comparison
Buenos Aires is 3.0x smaller than Madrid
Population Comparison
Buenos Aires has 1.1x fewer people than Madrid
In terms of area, Madrid is 3.0x the size of Buenos Aires. Madrid spans 604 km² (233 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 401 km². You could fit Buenos Aires inside Madrid approximately 2 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Madrid at 604 km² is roughly the same size as Seoul.
Argentina's capital and a cultural powerhouse of South America. Known as "The Paris of South America", Buenos Aires covers 203 km² with a population of 3.1 million. The city was established in 1536. Buenos Aires is known for Tango dancing, La Boca neighborhood, Recoleta Cemetery, among other attractions. The city's main transit system is the Buenos Aires Subte.
Buenos Aires has more bookstores per capita than any other city in the world
Spain's capital and largest city. Nicknamed "The Capital of the Sun", Madrid has an area of 604 km² and is home to 3.3 million people. It was established in 852. Visitors come for Prado Museum, Royal Palace, Retiro Park, and much more. Getting around is easy with the Madrid Metro.
Madrid is the highest capital city in the European Union at 650 meters above sea level
Looking beyond city limits, the Madrid metropolitan area covers 8,028 km², which is 1.7x larger than greater Buenos Aires at 4,758 km². The Buenos Aires metro area is also more populous, with 15.2 million people compared to 6.8 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Madrid, with 5,513 people per km², is a densely populated city. Buenos Aires is noticeably denser, packing 2.7 times more people per square kilometer.
This comparison spans continents — Buenos Aires in South America versus Madrid in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Madrid experiences hot-summer Mediterranean conditions. When it's noon in Madrid, it's 8:00 AM in Buenos Aires — a 4-hour time difference.
Size Ratio
Buenos Aires fits inside Madrid ~2 times
Density Gap
Buenos Aires is 2.7x more densely populated
Time Difference
4 hours apart
History
Madrid is ~684 years older
The straight-line distance from Buenos Aires to Madrid is 10,045 km (6,242 miles), with an estimated flight time of ~12h 19m. See full distance details, including timezone difference and city facts.
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