Buenos Aires
203 km²
Paris
105 km²
Argentina
France
Area Comparison
Buenos Aires is 1.9x larger than Paris
Population Comparison
Buenos Aires has 1.4x more people than Paris
In terms of area, Buenos Aires is 1.9x the size of Paris. Buenos Aires spans 203 km² (78 mi²) while Paris covers 105 km² (41 mi²) — a difference of 98 km².
To put Buenos Aires's size in perspective, its area of 203 km² is roughly the same size as Amsterdam. Meanwhile, Paris at 105 km² is about 1.2x smaller than San Francisco.
In more relatable units, Buenos Aires's 203 km² is about 28,000 American football fields, 100 times the area of Monaco, or 60 times the area of Central Park. Paris works out to about 15,000 American football fields, 52 times the area of Monaco, or 31 times the area of Central Park.
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.
Known as "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 La Boca's Caminito, Recoleta Cemetery, Teatro Colón, among other attractions. The city's main transit system is the Buenos Aires Subte.
Buenos Aires is classified as an Alpha− global city according to the GaWC 2024 ranking.
Paris is the capital and largest city of France, with an estimated city population of 2.04 million in an area of 105.4 km2 (40.7 sq mi), and a metropolitan population of 13.2 million as of January 2026. Located on the river Seine in the centre of the Île-de-France region, it is the largest metropolitan area and fourth-most populous city in the European Union (EU).
Often called "City of Light", Paris has an area of 105 km² and is home to 2.2 million people. The city dates back to 250 BC. Visitors come for Eiffel Tower, Louvre Museum, Notre-Dame Cathedral, and much more. Getting around is easy with the Paris Métro.
Paris packs 2.04 million people into just 105 km2, giving it one of the highest urban densities in Europe.
Looking beyond city limits, the Paris metropolitan area covers 17,174 km², which is 3.6x 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 12.3 million.
Buenos Aires has a population density of 15,074 people per km² — an extremely dense urban environment. Paris, with 20,571 people per km², is one of the most densely packed urban areas on Earth. Both cities have comparable density, though Paris is slightly more compact.
This comparison spans continents — Buenos Aires in South America versus Paris 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 Paris experiences oceanic conditions. When it's noon in Paris, it's 8:00 AM in Buenos Aires — a 4-hour time difference.
Density Gap
Paris is 1.4x more densely populated
Time Difference
4 hours apart
History
Paris is ~1,786 years older
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).
Paris covers 105 km². Cities with a similar urban footprint include Barcelona (101 km²), Lisbon (100 km²), Vancouver (115 km²), San Francisco (121 km²), or Copenhagen (91 km²).
The straight-line distance from Buenos Aires to Paris is 11,050 km (6,866 miles), with an estimated flight time of ~13h 30m.
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