Chicago
606 km²
Copenhagen
91 km²
USA
Denmark
Area Comparison
Chicago is 6.7x larger than Copenhagen
Population Comparison
Chicago has 4.0x more people than Copenhagen
Chicago is significantly larger, covering 6.7 times the area of Copenhagen. Chicago spans 606 km² (234 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 515 km². You could fit Copenhagen inside Chicago approximately 6 times.
To put Chicago's size in perspective, its area of 606 km² is roughly the same size as Seoul. Meanwhile, Copenhagen at 91 km² is about 1.2x smaller than Paris (city proper).
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. Copenhagen, by comparison, equals about 13,000 American football fields, 190 times the area of Vatican City, or 45 times the area of Monaco.
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.
Copenhagen is the capital and most populous city of both the country of Denmark and the wider Kingdom of Denmark, with a population of 667,000 people in the municipality and 1.4 million in the urban area. The city is situated mainly on the island of Zealand (Sjælland), with a smaller part on the island of Amager. Copenhagen is separated from Malmö, Sweden, by the Øresund strait. The Øresund Bridge connects the two cities by rail and road.
Also known as "City of Spires", Copenhagen has an area of 91 km² and is home to 0.7 million people. Its history stretches back to 1167. Visitors come for The Little Mermaid statue, Tivoli Gardens, Nyhavn waterfront, and much more.
Copenhagen sits mainly on the island of Zealand, with a smaller portion on the island of Amager.
Chicago has a population density of 4,455 people per km² — a moderately dense city. Copenhagen, with 7,363 people per km², is a densely populated city. Copenhagen is noticeably denser, packing 1.7 times more people per square kilometer.
Size Ratio
Copenhagen fits inside Chicago ~6 times
Density Gap
Copenhagen is 1.7x more densely populated
History
Copenhagen is ~666 years older
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).
Copenhagen covers 91 km². Cities with a similar urban footprint include Zurich (88 km²), Lisbon (100 km²), Barcelona (101 km²), Paris (105 km²), or Vancouver (115 km²).
The straight-line distance from Chicago to Copenhagen is 6,840 km (4,250 miles), with an estimated flight time of ~8h 33m.
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