Lisbon
100 km²
Perth
6,417 km²
Portugal
Australia
Area Comparison
Lisbon is 64.2x smaller than Perth
Population Comparison
Lisbon has 3.9x fewer people than Perth
Perth is significantly larger, covering 64.2 times the area of Lisbon. Perth spans 6,417 km² (2,478 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 6,317 km². You could fit Lisbon inside Perth approximately 64 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, Perth at 6,417 km² is roughly the same size as Shanghai.
Picture Lisbon another way: its area is large enough to fit about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park. Perth works out to about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
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, Jerónimos Monastery, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Perth is the capital city of Western Australia. It is the fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth as of 2023. The world's most isolated major city by certain criteria, Perth is part of the South West Land Division of Western Australia, with most of Perth's metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp.
Often called "City of Light", Perth has an area of 6,417 km² and is home to 2.1 million people. Its history stretches back to 1829. Visitors come for Swan River, Kings Park, Cottesloe Beach, and much more.
Perth is considered the world's most isolated major city by certain criteria, sitting on Australia's west coast.
Lisbon has a population density of 5,500 people per km² — a densely populated city. Perth, with 333 people per km², is a low-density, sprawling urban area. Lisbon is dramatically more crowded, with 16.5x the population density.
Size Ratio
Lisbon fits inside Perth ~64 times
Density Gap
Lisbon is 16.5x more densely populated
History
Lisbon is ~3,029 years older
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 km²).
Perth covers 6,417 km². Cities with a similar urban footprint include Shanghai (6,341 km²), Guangzhou (7,434 km²), Istanbul (5,461 km²), Wuhan (8,569 km²), or Melbourne (9,993 km²).
The straight-line distance from Lisbon to Perth is 15,044 km (9,348 miles), with an estimated flight time of ~18h 12m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.