Perth
6,417 km²
Rome
1,285 km²
Australia
Italy
Area Comparison
Perth is 5.0x larger than Rome
Population Comparison
Perth has 1.3x fewer people than Rome
In terms of area, Perth is 5.0x the size of Rome. Perth spans 6,417 km² (2,478 mi²) while Rome covers 1,285 km² (496 mi²) — a difference of 5,132 km². You could fit Rome inside Perth approximately 4 times.
To put Perth's size in perspective, its area of 6,417 km² is roughly the same size as Shanghai. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
Picture Perth another way: its area is large enough to fit about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris. For Rome, that's about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
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.
Known as "City of Light", Perth covers 6,417 km² with a population of 2.1 million. The city was established in 1829. Perth is known for Swan River, Kings Park, Cottesloe Beach, among other attractions.
Perth is considered the world's most isolated major city by certain criteria, sitting on Australia's west coast.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Also known as "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. The city dates back to 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Rome, with 2,233 people per km², is a moderately dense city. Rome is dramatically more crowded, with 6.7x the population density.
Size Ratio
Rome fits inside Perth ~4 times
Density Gap
Rome is 6.7x more densely populated
History
Rome is ~2,582 years older
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).
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Perth to Rome is 13,339 km (8,289 miles), with an estimated flight time of ~16h 12m.
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