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Argentina
UK
Area Comparison
Buenos Aires is 7.7x smaller than London
Population Comparison
Buenos Aires has 2.9x fewer people than London
Yes — London is 7.7x larger than Buenos Aires by area. London spans 1,572 km² (607 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 1,369 km². You could fit Buenos Aires inside London approximately 7 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
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
Capital of England and the United Kingdom. Also known as "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. Its history stretches back to 43. Visitors come for Big Ben, Tower of London, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London was the first city to have an underground railway, opening in 1863
Looking beyond city limits, the London metropolitan area covers 8,382 km², which is 1.8x 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 14.3 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. London, with 5,712 people per km², is a densely populated city. Buenos Aires is noticeably denser, packing 2.6 times more people per square kilometer.
This comparison spans continents — Buenos Aires in South America versus London 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 London experiences oceanic conditions. When it's noon in London, it's 9:00 AM in Buenos Aires — a 3-hour time difference.
Size Ratio
Buenos Aires fits inside London ~7 times
Density Gap
Buenos Aires is 2.6x more densely populated
Time Difference
3 hours apart
History
London is ~1,493 years older
The straight-line distance from Buenos Aires to London is 11,128 km (6,914 miles), with an estimated flight time of ~13h 35m. See full distance details, including timezone difference and city facts.
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