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Argentina
Iran
Area Comparison
Buenos Aires is 3.6x smaller than Tehran
Population Comparison
Buenos Aires has 3.0x fewer people than Tehran
Tehran is significantly larger, covering 3.6 times the area of Buenos Aires. Tehran spans 730 km² (282 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 527 km². You could fit Buenos Aires inside Tehran approximately 3 times.
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Tehran at 730 km² is roughly the same size as New York City.
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
Iran's capital and largest city. Often called "The City of 72 Nations", Tehran has an area of 730 km² and is home to 9.1 million people. The city dates back to 1524. Visitors come for Golestan Palace, Grand Bazaar, Milad Tower, and much more. Getting around is easy with the Tehran Metro.
Tehran sits at the foot of Mount Damavand, the highest volcano in Asia at 5,610 meters
Looking beyond city limits, the Buenos Aires metropolitan area covers 4,758 km², which is 2.1x larger than greater Tehran at 2,235 km². The Tehran metro area is also more populous, with 16.0 million people compared to 15.2 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Tehran, with 12,507 people per km², is an extremely dense urban environment. Both cities have comparable density, though Buenos Aires is slightly more compact.
This comparison spans continents — Buenos Aires in South America versus Tehran in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Buenos Aires has a humid subtropical climate while Tehran experiences hot-summer Mediterranean conditions. When it's noon in Tehran, it's 5.5:00 AM in Buenos Aires — a 6.5-hour time difference.
Size Ratio
Buenos Aires fits inside Tehran ~3 times
Time Difference
6.5 hours apart
The straight-line distance from Buenos Aires to Tehran is 13,775 km (8,559 miles), with an estimated flight time of ~16h 42m. See full distance details, including timezone difference and city facts.
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