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Indonesia
Australia
Area Comparison
Jakarta is 18.7x smaller than Sydney
Population Comparison
Jakarta has 2.0x more people than Sydney
In terms of area, Sydney is 18.7x the size of Jakarta. Sydney spans 12,368 km² (4,775 mi²) while Jakarta covers 662 km² (256 mi²) — a difference of 11,706 km². You could fit Jakarta inside Sydney approximately 18 times.
To put Jakarta's size in perspective, its area of 662 km² is roughly the same size as Seoul. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Indonesia's capital and largest city. Known as "The Big Durian", Jakarta covers 662 km² with a population of 10.6 million. The city was established in 1527. Jakarta is known for National Monument (Monas), Old Town (Kota Tua), Street food, among other attractions. The city's main transit system is the Jakarta MRT.
Jakarta is sinking so fast that Indonesia is building a new capital city called Nusantara
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. 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 Sydney metropolitan area covers 12,368 km², which is 1.9x larger than greater Jakarta at 6,392 km². The Jakarta metro area is also more populous, with 34.5 million people compared to 5.3 million.
Jakarta has a population density of 15,952 people per km² — an extremely dense urban environment. Sydney, with 429 people per km², is a low-density, sprawling urban area. Jakarta is dramatically more crowded, with 37.2x the population density.
This comparison spans continents — Jakarta in Asia versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Jakarta has a tropical monsoon climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's 9:00 AM in Jakarta — a 3-hour time difference.
Size Ratio
Jakarta fits inside Sydney ~18 times
Density Gap
Jakarta is 37.2x more densely populated
Time Difference
3 hours apart
History
Jakarta is ~261 years older
The straight-line distance from Jakarta to Sydney is 5,496 km (3,415 miles), with an estimated flight time of ~6h 58m. See full distance details, including timezone difference and city facts.
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