Chengdu
14,378 km²
Chennai
427 km²
China
India
Area Comparison
Chengdu is 33.7x larger than Chennai
Population Comparison
Chengdu has 3.2x more people than Chennai
In terms of area, Chengdu is 33.7x the size of Chennai. Chengdu spans 14,378 km² (5,551 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 13,951 km². You could fit Chennai inside Chengdu approximately 33 times.
To put Chengdu's size in perspective, its area of 14,378 km² is about 2.3x the size of Shanghai. Meanwhile, Chennai at 427 km² is about 1.4x smaller than Seoul.
Picture Chengdu another way: its area is large enough to fit about 2,000,000 American football fields, 140 times the area of Paris, or 120 times the area of San Francisco. Chennai, by comparison, equals about 60,000 American football fields, 130 times the area of Central Park, or 7 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.
Chennai, also known as Madras, is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. As per the 2011 Indian census, Chennai is the sixth-most-populous city in India and forms the fourth-most-populous urban agglomeration. The city is coterminous with Chennai district, which together with the adjoining suburbs constitutes the Chennai Metropolitan Area, one of the largest metropolitan areas of India.
Also known as "Madras", Chennai has an area of 427 km² and is home to 6.6 million people. It was established in 1639. Visitors come for Marina Beach, Kapaleeshwarar Temple, Fort St. George, and much more.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
Chengdu has a population density of 1,456 people per km² — a relatively spread-out city. Chennai, with 15,457 people per km², is an extremely dense urban environment. Chennai is dramatically more crowded, with 10.6x the population density.
Size Ratio
Chennai fits inside Chengdu ~33 times
Density Gap
Chennai is 10.6x more densely populated
History
Chengdu is ~1,949 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).
Chennai covers 427 km². Cities with a similar urban footprint include Vienna (415 km²), Oslo (454 km²), Denver (401 km²), Portland (376 km²), or Philadelphia (370 km²).
The straight-line distance from Chengdu to Chennai is 3,125 km (1,942 miles), with an estimated flight time of ~4h 11m.
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