Osaka
225 km²
Santiago
838 km²
Japan
Chile
Area Comparison
Osaka is 3.7x smaller than Santiago
Population Comparison
Osaka has 2.3x fewer people than Santiago
Yes — Santiago is 3.7x larger than Osaka by area. Santiago spans 838 km² (324 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 613 km². You could fit Osaka inside Santiago approximately 3 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Santiago at 838 km² is roughly the same size as Berlin.
Picture Osaka another way: its area is large enough to fit about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park. Santiago, by comparison, equals about 117,000 American football fields, 14 times the area of Manhattan, or 8 times the area of Paris.
Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third-most populous city in Japan, following the special wards of Tokyo and Yokohama. With an estimated population of 2,816,247 as of October 1, 2025 and a population density of about 12,505 people per square kilometer, it is the largest component of the Keihanshin Metropolitan Area, the second-largest metropolitan area in Japan and the 10th-largest urban…
Known as "Nation's Kitchen", Osaka covers 225 km² with a population of 2.8 million. The city was established in 645. Osaka is known for Osaka Castle, Dotonbori district, Universal Studios Japan, among other attractions. The city's main transit system is the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
Santiago, also known as Santiago de Chile, is the capital and largest city of Chile and one of the largest cities in the Americas. Located in the Chilean Central Valley within the Santiago Basin, between the Andes to the east and the Chilean Coastal Range to the west, it anchors the Santiago Metropolitan Region and its conurbation of Greater Santiago, which comprises more than forty communes and concentrates over a third of the national population and around 45% of Chile's GDP.
Often called "Santiago de Chile", Santiago has an area of 838 km² and is home to 6.3 million people. It was established in 1541. Visitors come for Cerro San Cristóbal, Gran Torre Santiago, Plaza de Armas, and much more.
Santiago sits in the Chilean Central Valley between the Andes and the Coastal Range, anchoring over a third of Chile's population.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Santiago, with 7,470 people per km², is a densely populated city. Osaka is noticeably denser, packing 1.6 times more people per square kilometer.
Size Ratio
Osaka fits inside Santiago ~3 times
Density Gap
Osaka is 1.6x more densely populated
History
Osaka is ~896 years older
Osaka covers 225 km². Cities with a similar urban footprint include Amsterdam (219 km²), Boston (232 km²), Helsinki (214 km²), Kuala Lumpur (243 km²), or Buenos Aires (203 km²).
Santiago covers 838 km². Cities with a similar urban footprint include Kyoto (828 km²), Berlin (892 km²), New York (783 km²), Hamburg (755 km²), or Bangalore (741 km²).
The straight-line distance from Osaka to Santiago is 17,609 km (10,942 miles), with an estimated flight time of ~21h 13m.
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