Bangkok
1,569 km²
Buenos Aires
203 km²
Thailand
Argentina
Area Comparison
Bangkok is 7.7x larger than Buenos Aires
Population Comparison
Bangkok has 3.4x more people than Buenos Aires
In terms of area, Bangkok is 7.7x the size of Buenos Aires. Bangkok spans 1,569 km² (606 mi²) while Buenos Aires covers 203 km² (78 mi²) — a difference of 1,366 km². You could fit Buenos Aires inside Bangkok approximately 7 times.
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Buenos Aires at 203 km² is roughly the same size as Amsterdam.
In more relatable units, Bangkok's 1,569 km² is about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris. For Buenos Aires, that's about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park.
Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies 1,568.7 square kilometres (605.7 sq mi) in the Chao Phraya River delta in central Thailand and has an estimated population of 11.4 million people as of 2024, 15.9% of the country's population.
Known as "City of Angels", Bangkok covers 1,569 km² with a population of 10.5 million. The city was established in 1782. Bangkok is known for Grand Palace, Wat Arun, Wat Pho, among other attractions. The city's main transit system is the BTS Skytrain & MRT.
Bangkok's official Thai name is Krung Thep Maha Nakhon, with the full ceremonial name being one of the longest place names in the world.
Buenos Aires, officially the Autonomous City of Buenos Aires, is the capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− global city, according to the GaWC 2024 ranking. The city proper has a population of 3.1 million and its urban area has a population of 16.7 million, making it the 21st most populous metropolitan area in the world.
Nicknamed "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 La Boca's Caminito, Recoleta Cemetery, Teatro Colón, and much more. Getting around is easy with the Buenos Aires Subte.
Buenos Aires is classified as an Alpha− global city according to the GaWC 2024 ranking.
Looking beyond city limits, the Bangkok metropolitan area covers 7,762 km², which is 1.6x larger than greater Buenos Aires at 4,758 km². The Bangkok metro area is also more populous, with 16.2 million people compared to 15.2 million.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Buenos Aires, with 15,074 people per km², is an extremely dense urban environment. Buenos Aires is noticeably denser, packing 2.2 times more people per square kilometer.
This comparison spans continents — Bangkok in Asia versus Buenos Aires in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Bangkok has a tropical savanna climate while Buenos Aires experiences humid subtropical conditions. When it's noon in Bangkok, it's 2:00 AM in Buenos Aires — a 10-hour time difference.
Size Ratio
Buenos Aires fits inside Bangkok ~7 times
Density Gap
Buenos Aires is 2.2x more densely populated
Time Difference
10 hours apart
History
Buenos Aires is ~246 years older
Bangkok covers 1,569 km². Cities with a similar urban footprint include London (1,572 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
Buenos Aires covers 203 km². Cities with a similar urban footprint include Helsinki (214 km²), Amsterdam (219 km²), Stockholm (188 km²), Osaka (225 km²), or Boston (232 km²).
The straight-line distance from Bangkok to Buenos Aires is 16,873 km (10,485 miles), with an estimated flight time of ~20h 21m.
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