Copenhagen
91 km²
Houston
1,725 km²
Denmark
United States
Area Comparison
Copenhagen is 19.0x smaller than Houston
Population Comparison
Copenhagen has 3.4x fewer people than Houston
In terms of area, Houston is 19.0x the size of Copenhagen. Houston spans 1,725 km² (666 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 1,634 km². You could fit Copenhagen inside Houston approximately 18 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Houston at 1,725 km² is roughly the same size as London.
In more relatable units, Copenhagen's 91 km² is about 13,000 American football fields, 190 times the area of Vatican City, or 45 times the area of Monaco. Houston, by comparison, equals about 242,000 American football fields, 29 times the area of Manhattan, or 16 times the area of Paris.
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.
Known as "City of Spires", Copenhagen covers 91 km² with a population of 0.7 million. The city was established in 1167. Copenhagen is known for The Little Mermaid statue, Tivoli Gardens, Nyhavn waterfront, among other attractions.
Copenhagen sits mainly on the island of Zealand, with a smaller portion on the island of Amager.
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.
Nicknamed "Space City", Houston has an area of 1,725 km² and is home to 2.3 million people. Its history stretches back to 1836. Visitors come for NASA Johnson Space Center, Space Center Houston, Houston Astros, and much more.
Houston is the fourth-most populous US city with 2.3 million residents at the 2020 census, leading the entire South.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Houston, with 1,333 people per km², is a relatively spread-out city. Copenhagen is dramatically more crowded, with 5.5x the population density.
Size Ratio
Copenhagen fits inside Houston ~18 times
Density Gap
Copenhagen is 5.5x more densely populated
History
Copenhagen is ~669 years older
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).
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).
The straight-line distance from Copenhagen to Houston is 8,337 km (5,181 miles), with an estimated flight time of ~10h 19m.
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