Perth
6,417 km²
Phoenix
1,341 km²
Australia
United States
Area Comparison
Perth is 4.8x larger than Phoenix
Population Comparison
Perth has 1.3x more people than Phoenix
Yes — Perth is 4.8x larger than Phoenix by area. Perth spans 6,417 km² (2,478 mi²) while Phoenix covers 1,341 km² (518 mi²) — a difference of 5,076 km². You could fit Phoenix 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, Phoenix at 1,341 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. Phoenix, by comparison, equals about 188,000 American football fields, 23 times the area of Manhattan, or 13 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.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital. The Phoenix metropolitan area, with an estimated 5.19 million residents, is the tenth-most populous metropolitan area in the U.S. and the most populous in the Mountain states and Southwest.
Also known as "Valley of the Sun", Phoenix has an area of 1,341 km² and is home to 1.6 million people. The city dates back to 1868. Visitors come for Camelback Mountain, Desert Botanical Garden, Heard Museum, and much more.
Phoenix is the most populous U.S. state capital and the fifth-largest city in the country with 1.6 million residents.
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Phoenix, with 1,201 people per km², is a relatively spread-out city. Phoenix is dramatically more crowded, with 3.6x the population density.
Size Ratio
Phoenix fits inside Perth ~4 times
Density Gap
Phoenix is 3.6x more densely populated
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).
Phoenix covers 1,341 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Rome (1,285 km²), Rio de Janeiro (1,221 km²), Delhi (1,484 km²), or Mexico City (1,485 km²).
The straight-line distance from Perth to Phoenix is 15,567 km (9,673 miles), with an estimated flight time of ~18h 49m.
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