Copenhagen
91 km²
Rio de Janeiro
1,221 km²
Denmark
Brazil
Area Comparison
Copenhagen is 13.4x smaller than Rio de Janeiro
Population Comparison
Copenhagen has 10.1x fewer people than Rio de Janeiro
Yes — Rio de Janeiro is 13.4x larger than Copenhagen by area. Rio de Janeiro spans 1,221 km² (471 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 1,130 km². You could fit Copenhagen inside Rio de Janeiro approximately 13 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than 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. Rio de Janeiro, by comparison, equals about 171,000 American football fields, 21 times the area of Manhattan, or 12 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.
Rio de Janeiro, also known simply as Rio, is the capital of the state of Rio de Janeiro. It is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous city in the Americas.
Nicknamed "Cidade Maravilhosa", Rio de Janeiro has an area of 1,221 km² and is home to 6.8 million people. Its history stretches back to 1565. Visitors come for Christ the Redeemer, Sugarloaf Mountain, Copacabana beach, and much more. Getting around is easy with the MetrôRio.
Rio de Janeiro is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous in the Americas.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Both cities have comparable density, though Copenhagen is slightly more compact.
Size Ratio
Copenhagen fits inside Rio de Janeiro ~13 times
Density Gap
Copenhagen is 1.3x more densely populated
History
Copenhagen is ~398 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).
Rio de Janeiro covers 1,221 km². Cities with a similar urban footprint include San Antonio (1,209 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Copenhagen to Rio de Janeiro is 10,193 km (6,333 miles), with an estimated flight time of ~12h 29m.
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