Chengdu
14,378 km²
Lisbon
100 km²
People's Republic of China
Portugal
Area Comparison
Chengdu is 143.8x larger than Lisbon
Population Comparison
Chengdu has 38.1x more people than Lisbon
Chengdu is significantly larger, covering 143.8 times the area of Lisbon. Chengdu spans 14,378 km² (5,551 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 14,278 km². You could fit Lisbon inside Chengdu approximately 143 times.
To put Chengdu's size in perspective, its area of 14,378 km² is about 2.3x the size of Shanghai. Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
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. Lisbon, by comparison, equals about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park.
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.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Often called "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. It was founded around 1200 BC. Visitors come for Belém Tower, Jerónimos Monastery, Tram 28, and much more. Getting around is easy with the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Chengdu has a population density of 1,456 people per km² — a relatively spread-out city. Lisbon, with 5,500 people per km², is a densely populated city. Lisbon is dramatically more crowded, with 3.8x the population density.
Size Ratio
Lisbon fits inside Chengdu ~143 times
Density Gap
Lisbon is 3.8x more densely populated
History
Lisbon is ~890 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).
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 km²).
The straight-line distance from Chengdu to Lisbon is 9,660 km (6,002 miles), with an estimated flight time of ~11h 52m.
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