Helsinki
214 km²
Rio de Janeiro
1,221 km²
Finland
Brazil
Area Comparison
Helsinki is 5.7x smaller than Rio de Janeiro
Population Comparison
Helsinki has 9.8x fewer people than Rio de Janeiro
Rio de Janeiro is significantly larger, covering 5.7 times the area of Helsinki. Rio de Janeiro spans 1,221 km² (471 mi²) while Helsinki covers 214 km² (83 mi²) — a difference of 1,007 km². You could fit Helsinki inside Rio de Janeiro approximately 5 times.
To put Helsinki's size in perspective, its area of 214 km² is roughly the same size as Amsterdam. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
In more relatable units, Helsinki's 214 km² is about 30,000 American football fields, 110 times the area of Monaco, or 63 times the area of Central Park. For Rio de Janeiro, that's about 171,000 American football fields, 21 times the area of Manhattan, or 12 times the area of Paris.
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.
Known as "Daughter of the Baltic", Helsinki covers 214 km² with a population of 0.7 million. The city was established in 1550. Helsinki is known for Helsinki Cathedral, Suomenlinna fortress, Temppeliaukio Church, among other attractions.
Helsinki sits on the shore of the Gulf of Finland and serves as the capital of Finland's Uusimaa region.
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.
Often called "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.
Helsinki has a population density of 3,224 people per km² — a moderately dense city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Rio de Janeiro is noticeably denser, packing 1.7 times more people per square kilometer.
Helsinki has a warm-summer humid continental climate climate while Rio de Janeiro experiences tropical savanna conditions.
Size Ratio
Helsinki fits inside Rio de Janeiro ~5 times
Density Gap
Rio de Janeiro is 1.7x more densely populated
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).
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 Helsinki to Rio de Janeiro is 11,075 km (6,882 miles), with an estimated flight time of ~13h 32m.
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