Singapore
Australia
Area Comparison
Singapore is 16.9x smaller than Sydney
Population Comparison
Singapore has 1.0x more people than Sydney
In terms of area, Sydney is 16.9x the size of Singapore. Sydney spans 12,368 km² (4,775 mi²) while Singapore covers 733 km² (283 mi²) — a difference of 11,635 km². You could fit Singapore inside Sydney approximately 16 times.
To put Singapore's size in perspective, its area of 733 km² is roughly the same size as New York City. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
A global financial center and city-state in Southeast Asia. Known as "The Lion City", Singapore covers 733 km² with a population of 5.5 million. The city was established in 1819. Singapore is known for Marina Bay Sands, Gardens by the Bay, Changi Airport, among other attractions. The city's main transit system is the MRT Singapore.
Singapore is one of only three surviving city-states in the world
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. The city dates 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
Singapore has a population density of 7,435 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Singapore is dramatically more crowded, with 17.3x the population density.
This comparison spans continents — Singapore in Asia versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Singapore has a tropical rainforest climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's 10:00 AM in Singapore — a 2-hour time difference.
Size Ratio
Singapore fits inside Sydney ~16 times
Density Gap
Singapore is 17.3x more densely populated
The straight-line distance from Singapore to Sydney is 6,306 km (3,919 miles), with an estimated flight time of ~7h 55m. See full distance details, including timezone difference and city facts.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.