Copenhagen
91 km²
Perth
6,417 km²
Denmark
Australia
Area Comparison
Copenhagen is 70.5x smaller than Perth
Population Comparison
Copenhagen has 3.2x fewer people than Perth
In terms of area, Perth is 70.5x the size of Copenhagen. Perth spans 6,417 km² (2,478 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 6,326 km². You could fit Copenhagen inside Perth approximately 70 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Perth at 6,417 km² is roughly the same size as Shanghai.
Copenhagen's footprint is roughly about 13,000 American football fields, 190 times the area of Vatican City, or 45 times the area of Monaco — pick whichever unit feels intuitive. For Perth, that's about 899,000 American football fields, 110 times the area of Manhattan, or 61 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.
Perth is the capital city of Western Australia. It is the fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth as of 2023. The world's most isolated major city by certain criteria, Perth is part of the South West Land Division of Western Australia, with most of Perth's metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp.
Also known as "City of Light", Perth has an area of 6,417 km² and is home to 2.1 million people. It was established in 1829. Visitors come for Swan River, Kings Park, Cottesloe Beach, and much more.
Perth is considered the world's most isolated major city by certain criteria, sitting on Australia's west coast.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Perth, with 333 people per km², is a low-density, sprawling urban area. Copenhagen is dramatically more crowded, with 22.1x the population density.
Size Ratio
Copenhagen fits inside Perth ~70 times
Density Gap
Copenhagen is 22.1x more densely populated
History
Copenhagen is ~662 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).
Perth covers 6,417 km². Cities with a similar urban footprint include Shanghai (6,341 km²), Guangzhou (7,434 km²), Istanbul (5,461 km²), Wuhan (8,569 km²), or Melbourne (9,993 km²).
The straight-line distance from Copenhagen to Perth is 13,696 km (8,510 miles), with an estimated flight time of ~16h 37m.
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