Copenhagen
91 km²
Sydney
12,368 km²
Denmark
Australia
Area Comparison
Copenhagen is 135.9x smaller than Sydney
Population Comparison
Copenhagen has 7.9x fewer people than Sydney
Yes — Sydney is 135.9x larger than Copenhagen by area. Sydney spans 12,368 km² (4,775 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 12,277 km². You could fit Copenhagen inside Sydney approximately 135 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
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. Sydney, by comparison, equals about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
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.
Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 kilometres (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 kilometres (50 mi) from Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west.
Also known as "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. The city dates back to 1788. Visitors come for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney stretches roughly 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Copenhagen is dramatically more crowded, with 17.2x the population density.
Size Ratio
Copenhagen fits inside Sydney ~135 times
Density Gap
Copenhagen is 17.2x more densely populated
History
Copenhagen is ~621 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).
Sydney covers 12,368 km². Cities with a similar urban footprint include Chengdu (14,378 km²), Xi'an (10,097 km²), Melbourne (9,993 km²), Brisbane (15,826 km²), or Beijing (16,411 km²).
The straight-line distance from Copenhagen to Sydney is 16,041 km (9,967 miles), with an estimated flight time of ~19h 22m.
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