Helsinki
214 km²
Sydney
12,368 km²
Finland
Australia
Area Comparison
Helsinki is 57.8x smaller than Sydney
Population Comparison
Helsinki has 7.7x fewer people than Sydney
In terms of area, Sydney is 57.8x the size of Helsinki. Sydney spans 12,368 km² (4,775 mi²) while Helsinki covers 214 km² (83 mi²) — a difference of 12,154 km². You could fit Helsinki inside Sydney approximately 57 times.
To put Helsinki's size in perspective, its area of 214 km² is roughly the same size as Amsterdam. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Helsinki's footprint is roughly about 30,000 American football fields, 110 times the area of Monaco, or 63 times the area of Central Park — pick whichever unit feels intuitive. 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.
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.
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.
Nicknamed "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.
Helsinki has a population density of 3,224 people per km² — a moderately dense city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Helsinki is dramatically more crowded, with 7.5x the population density.
Helsinki has a warm-summer humid continental climate climate while Sydney experiences humid subtropical conditions.
Size Ratio
Helsinki fits inside Sydney ~57 times
Density Gap
Helsinki is 7.5x more densely populated
History
Helsinki is ~238 years older
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).
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 Helsinki to Sydney is 15,201 km (9,445 miles), with an estimated flight time of ~18h 23m.
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