Chengdu
14,378 km²
Seoul
605 km²
People's Republic of China
South Korea
Area Comparison
Chengdu is 23.8x larger than Seoul
Population Comparison
Chengdu has 2.1x more people than Seoul
Yes — Chengdu is 23.8x larger than Seoul by area. Chengdu spans 14,378 km² (5,551 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 13,773 km². You could fit Seoul inside Chengdu approximately 23 times.
To put Chengdu's size in perspective, its area of 14,378 km² is about 2.3x the size of Shanghai. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
In more relatable units, Chengdu's 14,378 km² is about 2,000,000 American football fields, 140 times the area of Paris, or 120 times the area of San Francisco. Seoul works out to about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
Chengdu is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 census, it is the fourth most populous city in China, and it is the only city with a population of over 20 million apart from provincial-level municipalities. It is traditionally the hub of Western China.
Known as "Land of Abundance", Chengdu covers 14,378 km² with a population of 20.9 million. The city was founded around 310 BC. Chengdu is known for Giant Panda Breeding Base, Jinli Ancient Street, Wuhou Shrine, among other attractions.
Chengdu has a population of over 20.9 million, making it the fourth most populous city in China.
Seoul, officially Seoul Special Metropolitan City, is the capital and largest city of South Korea, and the largest city in the whole of Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's sixth largest metropolitan economy in 2022, behind New York, Tokyo, Los Angeles, Paris, and London, and hosts more than half of South Korea's population.
Seoul has an area of 605 km² and is home to 9.8 million people. It was founded around 18 BC. Visitors come for Gyeongbokgung Palace, Gangnam district, Myeongdong shopping, and much more. Getting around is easy with the Seoul Metro.
Seoul Metropolitan Area emerged as the world's sixth largest metropolitan economy in 2022, behind only NYC, Tokyo, LA, Paris, and London.
Chengdu has a population density of 1,456 people per km² — a relatively spread-out city. Seoul, with 16,149 people per km², is an extremely dense urban environment. Seoul is dramatically more crowded, with 11.1x the population density.
Size Ratio
Seoul fits inside Chengdu ~23 times
Density Gap
Seoul is 11.1x more densely populated
History
Chengdu is ~292 years older
Chengdu covers 14,378 km². Cities with a similar urban footprint include Brisbane (15,826 km²), Beijing (16,411 km²), Sydney (12,368 km²), Hangzhou (16,854 km²), or Xi'an (10,097 km²).
Seoul covers 605 km². Cities with a similar urban footprint include Chicago (606 km²), Madrid (604 km²), Mumbai (603 km²), Toronto (630 km²), or Hyderabad (650 km²).
The straight-line distance from Chengdu to Seoul is 2,238 km (1,391 miles), with an estimated flight time of ~3h 8m.
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