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USA
Australia
Area Comparison
New York is 15.8x smaller than Sydney
Population Comparison
New York has 1.6x more people than Sydney
Yes — Sydney is 15.8x larger than New York by area. Sydney spans 12,368 km² (4,775 mi²) while New York covers 783 km² (302 mi²) — a difference of 11,585 km². You could fit New York inside Sydney approximately 15 times.
To put New York's size in perspective, its area of 783 km² is about 1.1x smaller than Berlin. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
The largest city in the United States and a global metropolis. Known as "The Big Apple", New York covers 783 km² with a population of 8.3 million. The city was established in 1624. New York is known for Statue of Liberty, Central Park, Times Square, among other attractions. The city's main transit system is the NYC Subway.
More than 800 languages are spoken in New York City, making it the most linguistically diverse city on Earth
Australia's largest city, known for the Opera House. Often called "The Harbour City", Sydney has an area of 12,368 km² and is home to 5.3 million people. Its history stretches back to 1788. Visitors come for Sydney Opera House, Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney's administrative area is so large it stretches from the coast to the Blue Mountains foothills
Looking beyond city limits, the New York metropolitan area covers 17,405 km², which is 1.4x larger than greater Sydney at 12,368 km². The New York metro area is also more populous, with 20.1 million people compared to 5.3 million.
New York has a population density of 10,651 people per km² — an extremely dense urban environment. Sydney, with 429 people per km², is a low-density, sprawling urban area. New York is dramatically more crowded, with 24.8x the population density.
This comparison spans continents — New York in North America versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each. When it's noon in Sydney, it's midnight in New York — a 15-hour time difference.
Size Ratio
New York fits inside Sydney ~15 times
Density Gap
New York is 24.8x more densely populated
Time Difference
15 hours apart
History
New York is ~164 years older
The straight-line distance from New York to Sydney is 15,989 km (9,935 miles), with an estimated flight time of ~19h 19m. See full distance details, including timezone difference and city facts.
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