Hong Kong
1,114 km²
Sydney
12,368 km²
China
Australia
Area Comparison
Hong Kong is 11.1x smaller than Sydney
Population Comparison
Hong Kong has 1.4x more people than Sydney
Yes — Sydney is 11.1x larger than Hong Kong by area. Sydney spans 12,368 km² (4,775 mi²) while Hong Kong covers 1,114 km² (430 mi²) — a difference of 11,254 km². You could fit Hong Kong inside Sydney approximately 11 times.
To put Hong Kong's size in perspective, its area of 1,114 km² is about 1.2x the size of Berlin. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
In more relatable units, Hong Kong's 1,114 km² is about 156,000 American football fields, 19 times the area of Manhattan, or 11 times the area of Paris. 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.
Hong Kong is a special administrative region of China. Situated on China's southern coast just south of Shenzhen, it consists of Hong Kong Island, Kowloon, and the New Territories. With 7.5 million residents in a 1,114-square-kilometre (430 sq mi) territory, Hong Kong is the fourth-most densely populated region in the world.
Known as "Pearl of the Orient", Hong Kong covers 1,114 km² with a population of 7.4 million. The city was established in 1841. Hong Kong is known for Victoria Harbour, Victoria Peak, Star Ferry, among other attractions. The city's main transit system is the MTR Hong Kong.
Hong Kong squeezes 7.5 million residents into 1,114 km2, making it the world's fourth-most densely populated 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.
Often called "Sydneysiders", 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, 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.
Hong Kong has a population density of 6,652 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Hong Kong is dramatically more crowded, with 15.5x the population density.
This comparison spans continents — Hong Kong 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 Hong Kong — a 2-hour time difference.
Size Ratio
Hong Kong fits inside Sydney ~11 times
Density Gap
Hong Kong is 15.5x more densely populated
Hong Kong covers 1,114 km². Cities with a similar urban footprint include Lagos (1,172 km²), San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Dallas (997 km²), or Abu Dhabi (972 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 Hong Kong to Sydney is 7,376 km (4,583 miles), with an estimated flight time of ~9h 11m.
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