Sydney
12,368 km²
Vienna
415 km²
Australia
Austria
Area Comparison
Sydney is 29.8x larger than Vienna
Population Comparison
Sydney has 2.7x more people than Vienna
Yes — Sydney is 29.8x larger than Vienna by area. Sydney spans 12,368 km² (4,775 mi²) while Vienna covers 415 km² (160 mi²) — a difference of 11,953 km². You could fit Vienna inside Sydney approximately 29 times.
To put Sydney's size in perspective, its area of 12,368 km² is about 2.0x the size of Shanghai. Meanwhile, Vienna at 415 km² is about 1.5x smaller than Seoul.
In more relatable units, Sydney's 12,368 km² is about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco. Vienna works out to about 58,000 American football fields, 120 times the area of Central Park, or 7 times the area of Manhattan.
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.
Known as "Sydneysiders", Sydney covers 12,368 km² with a population of 5.3 million. The city was established in 1788. Sydney is known for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach, among other attractions. The city's main transit system is the Sydney Trains.
Sydney stretches roughly 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
Vienna is the capital, most populous city, and one of the nine states of Austria. It is Austria's primate city, with just over two million inhabitants. Its larger metropolitan area has a population of nearly 2.9 million, representing nearly one-third of the country's population. Vienna is the cultural, economic, and political centre of the country, the fifth-largest city by population in the European Union, and the most populous of the cities on the river Danube.
Often called "City of Music", Vienna has an area of 415 km² and is home to 2.0 million people. It was founded around 500 BC. Visitors come for Schönbrunn Palace, St. Stephen's Cathedral, Hofburg Palace, and much more. Getting around is easy with the Wiener Linien (U-Bahn).
Vienna's metropolitan area holds nearly 2.9 million people, representing roughly one-third of Austria's entire population
Looking beyond city limits, the Sydney metropolitan area covers 12,368 km², which is 3.2x larger than greater Vienna at 3,840 km². The Sydney metro area is also more populous, with 5.3 million people compared to 2.8 million.
Sydney has a population density of 429 people per km² — a low-density, sprawling urban area. Vienna, with 4,771 people per km², is a moderately dense city. Vienna is dramatically more crowded, with 11.1x the population density.
This comparison spans continents — Sydney in Oceania versus Vienna in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Sydney has a humid subtropical climate while Vienna experiences oceanic conditions. When it's noon in Sydney, it's 3:00 AM in Vienna — a 9-hour time difference.
Size Ratio
Vienna fits inside Sydney ~29 times
Density Gap
Vienna is 11.1x more densely populated
Time Difference
9 hours apart
History
Vienna is ~2,288 years older
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).
Vienna covers 415 km². Cities with a similar urban footprint include Denver (401 km²), Oslo (454 km²), Portland (376 km²), Philadelphia (370 km²), or Seattle (369 km²).
The straight-line distance from Sydney to Vienna is 15,976 km (9,927 miles), with an estimated flight time of ~19h 18m.
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