Copenhagen
91 km²
Helsinki
214 km²
Denmark
Finland
Area Comparison
Copenhagen is 2.4x smaller than Helsinki
Population Comparison
Copenhagen has 1.0x fewer people than Helsinki
In terms of area, Helsinki is 2.4x the size of Copenhagen. Helsinki spans 214 km² (83 mi²) while Copenhagen covers 91 km² (35 mi²) — a difference of 123 km². You could fit Copenhagen inside Helsinki approximately 2 times.
To put Copenhagen's size in perspective, its area of 91 km² is about 1.2x smaller than Paris (city proper). Meanwhile, Helsinki at 214 km² is roughly the same size as Amsterdam.
Picture Copenhagen another way: its area is large enough to fit about 13,000 American football fields, 190 times the area of Vatican City, or 45 times the area of Monaco. For Helsinki, that's about 30,000 American football fields, 110 times the area of Monaco, or 63 times the area of Central Park.
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.
Helsinki is the capital and most populous city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. About 694,000 people live in the municipality, with 1.3 million in the capital region and 1.6 million in the metropolitan area. As the most populous urban area in Finland, it is the country's most significant centre for politics, education, finance, culture, and research.
Often called "Daughter of the Baltic", Helsinki has an area of 214 km² and is home to 0.7 million people. It was established in 1550. Visitors come for Helsinki Cathedral, Suomenlinna fortress, Temppeliaukio Church, and much more.
Helsinki sits on the shore of the Gulf of Finland and serves as the capital of Finland's Uusimaa region.
Copenhagen has a population density of 7,363 people per km² — a densely populated city. Helsinki, with 3,224 people per km², is a moderately dense city. Copenhagen is noticeably denser, packing 2.3 times more people per square kilometer.
Size Ratio
Copenhagen fits inside Helsinki ~2 times
Density Gap
Copenhagen is 2.3x more densely populated
History
Copenhagen is ~383 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).
Helsinki covers 214 km². Cities with a similar urban footprint include Amsterdam (219 km²), Osaka (225 km²), Buenos Aires (203 km²), Boston (232 km²), or Kuala Lumpur (243 km²).
The straight-line distance from Copenhagen to Helsinki is 883 km (549 miles), with an estimated flight time of ~1h 32m.
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