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China
Australia
Area Comparison
Guangzhou is 1.7x smaller than Sydney
Population Comparison
Guangzhou has 3.5x more people than Sydney
In terms of area, Sydney is 1.7x the size of Guangzhou. Sydney spans 12,368 km² (4,775 mi²) while Guangzhou covers 7,434 km² (2,870 mi²) — a difference of 4,934 km².
To put Guangzhou's size in perspective, its area of 7,434 km² is about 1.2x the size of Shanghai. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
A major port city and trade hub in southern China. Known as "Canton", Guangzhou covers 7,434 km² with a population of 18.7 million. The city was founded around 214 BC. Guangzhou is known for Canton Tower, Cantonese cuisine (dim sum), Canton Fair, among other attractions. The city's main transit system is the Guangzhou Metro.
Guangzhou has been a major trading port for over 2,000 years and was a key stop on the Maritime Silk Road
Australia's largest city, known for the Opera House. Also known as "The Harbour City", Sydney has an area of 12,368 km² and is home to 5.3 million people. It was established in 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 Sydney metropolitan area covers 12,368 km², which is 1.7x larger than greater Guangzhou at 7,434 km². The Guangzhou metro area is also more populous, with 18.7 million people compared to 5.3 million.
Guangzhou has a population density of 2,513 people per km² — a moderately dense city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Guangzhou is dramatically more crowded, with 5.9x the population density.
This comparison spans continents — Guangzhou in Asia 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 10:00 AM in Guangzhou — a 2-hour time difference.
Density Gap
Guangzhou is 5.9x more densely populated
History
Guangzhou is ~2,002 years older
The straight-line distance from Guangzhou to Sydney is 7,502 km (4,661 miles), with an estimated flight time of ~9h 20m. See full distance details, including timezone difference and city facts.
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