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Portugal
Australia
Area Comparison
Lisbon is 123.7x smaller than Sydney
Population Comparison
Lisbon has 9.7x fewer people than Sydney
Sydney is significantly larger, covering 123.7 times the area of Lisbon. Sydney spans 12,368 km² (4,775 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 12,268 km². You could fit Lisbon inside Sydney approximately 123 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Portugal's capital, one of Europe's oldest cities. Known as "City of Seven Hills", Lisbon covers 100 km² with a population of 0.6 million. The city was founded around 1200 BC. Lisbon is known for Belém Tower, Pastéis de nata, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is older than Rome by about 400 years, making it one of the oldest cities in Western Europe
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. 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
Looking beyond city limits, the Sydney metropolitan area covers 12,368 km², which is 4.1x larger than greater Lisbon at 3,015 km². The Sydney metro area is also more populous, with 5.3 million people compared to 2.9 million.
Lisbon has a population density of 5,500 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Lisbon is dramatically more crowded, with 12.8x the population density.
This comparison spans continents — Lisbon in Europe versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Lisbon has a Mediterranean climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's 2:00 AM in Lisbon — a 10-hour time difference.
Size Ratio
Lisbon fits inside Sydney ~123 times
Density Gap
Lisbon is 12.8x more densely populated
Time Difference
10 hours apart
History
Lisbon is ~2,988 years older
The straight-line distance from Lisbon to Sydney is 18,177 km (11,295 miles), with an estimated flight time of ~21h 53m. See full distance details, including timezone difference and city facts.
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