Chicago
606 km²
Hong Kong
1,114 km²
USA
China
Area Comparison
Chicago is 1.8x smaller than Hong Kong
Population Comparison
Chicago has 2.7x fewer people than Hong Kong
Hong Kong is significantly larger, covering 1.8 times the area of Chicago. Hong Kong spans 1,114 km² (430 mi²) while Chicago covers 606 km² (234 mi²) — a difference of 508 km².
To put Chicago's size in perspective, its area of 606 km² is roughly the same size as Seoul. Meanwhile, Hong Kong at 1,114 km² is about 1.2x the size of Berlin.
Picture Chicago another way: its area is large enough to fit about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan. Hong Kong, by comparison, equals about 156,000 American football fields, 19 times the area of Manhattan, or 11 times the area of Paris.
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. Located on the western shore of Lake Michigan, it is the third-most populous city in the United States, with a population of 2.74 million at the 2020 census. The Chicago metropolitan area has 9.41 million residents and is the third-largest metropolitan area in the country. Chicago is the seat of Cook County, the second-most populous county in the U.S.
Known as "The Windy City", Chicago covers 606 km² with a population of 2.7 million. The city was established in 1833. Chicago is known for Willis Tower, Millennium Park Bean, Navy Pier, among other attractions. The city's main transit system is the CTA (L train).
Chicago is the third-most populous city in the United States with 2.74 million residents at the 2020 census.
Hong Kong is a special administrative region of China. Situated on China's southern coast just south of Shenzhen, it consists of Hong Kong Island, Kowloon, and the New Territories. With 7.5 million residents in a 1,114-square-kilometre (430 sq mi) territory, Hong Kong is the fourth-most densely populated region in the world.
Nicknamed "Pearl of the Orient", Hong Kong has an area of 1,114 km² and is home to 7.4 million people. It was established in 1841. Visitors come for Victoria Harbour, Victoria Peak, Star Ferry, and much more. Getting around is easy with the MTR Hong Kong.
Hong Kong squeezes 7.5 million residents into 1,114 km2, making it the world's fourth-most densely populated region.
Chicago has a population density of 4,455 people per km² — a moderately dense city. Hong Kong, with 6,652 people per km², is a densely populated city. Both cities have comparable density, though Hong Kong is slightly more compact.
This comparison spans continents — Chicago in North America versus Hong Kong in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Chicago has a humid continental climate while Hong Kong experiences humid subtropical conditions. Winters differ dramatically: Hong Kong stays around 16°C while Chicago drops to -3°C. When it's noon in Hong Kong, it's midnight in Chicago — a 14-hour time difference.
Density Gap
Hong Kong is 1.5x more densely populated
Time Difference
14 hours apart
Chicago covers 606 km². Cities with a similar urban footprint include Seoul (605 km²), Madrid (604 km²), Mumbai (603 km²), Toronto (630 km²), or Hyderabad (650 km²).
Hong Kong covers 1,114 km². Cities with a similar urban footprint include Lagos (1,172 km²), San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Dallas (997 km²), or Abu Dhabi (972 km²).
The straight-line distance from Chicago to Hong Kong is 12,532 km (7,787 miles), with an estimated flight time of ~15h 15m.
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