Houston
1,725 km²
Shanghai
6,341 km²
United States
China
Area Comparison
Houston is 3.7x smaller than Shanghai
Population Comparison
Houston has 10.8x fewer people than Shanghai
Yes — Shanghai is 3.7x larger than Houston by area. Shanghai spans 6,341 km² (2,448 mi²) while Houston covers 1,725 km² (666 mi²) — a difference of 4,616 km². You could fit Houston inside Shanghai approximately 3 times.
To put Houston's size in perspective, its area of 1,725 km² is roughly the same size as London. Meanwhile, Shanghai at 6,341 km² is about 1.5x the size of Los Angeles metro.
In more relatable units, Houston's 1,725 km² is about 242,000 American football fields, 29 times the area of Manhattan, or 16 times the area of Paris. Shanghai, by comparison, equals about 888,000 American football fields, 110 times the area of Manhattan, or 60 times the area of Paris.
Houston is the most populous city in the U.S. state of Texas and the Southern United States. It is the fourth-most populous city in the United States, with a population of 2.3 million at the 2020 census. The Greater Houston metropolitan area, at 7.8 million residents, is the fifth-most populous metropolitan area in the nation and second-most populous in Texas. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, Houston is the county seat of Harris County.
Known as "Space City", Houston covers 1,725 km² with a population of 2.3 million. The city was established in 1836. Houston is known for NASA Johnson Space Center, Space Center Houston, Houston Astros, among other attractions.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
Shanghai is a direct-administered municipality and the most populous urban area in China. It has a population of 29,558,908 in the urban area as of 2025. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the Huangpu River bisecting the city. Shanghai is a global center for finance, business and economics, research, science and technology, manufacturing, transportation, tourism, and culture. The Port of Shanghai is the world's busiest container port.
Often called "Pearl of the Orient", Shanghai has an area of 6,341 km² and is home to 24.9 million people. The city dates back to 1291. Visitors come for The Bund, Oriental Pearl Tower, Shanghai Tower, and much more. Getting around is easy with the Shanghai Metro.
Shanghai's urban population reached 29.5 million in 2025, making it the most populous urban area in all of China.
Houston has a population density of 1,333 people per km² — a relatively spread-out city. Shanghai, with 3,922 people per km², is a moderately dense city. Shanghai is noticeably denser, packing 2.9 times more people per square kilometer.
Size Ratio
Houston fits inside Shanghai ~3 times
Density Gap
Shanghai is 2.9x more densely populated
History
Shanghai is ~545 years older
Houston covers 1,725 km². Cities with a similar urban footprint include Riyadh (1,798 km²), Johannesburg (1,644 km²), Bogotá (1,578 km²), London (1,572 km²), or Bangkok (1,569 km²).
Shanghai covers 6,341 km². Cities with a similar urban footprint include Perth (6,417 km²), Istanbul (5,461 km²), Guangzhou (7,434 km²), Wuhan (8,569 km²), or Dubai (4,114 km²).
The straight-line distance from Houston to Shanghai is 12,196 km (7,578 miles), with an estimated flight time of ~14h 51m.
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