Perth
6,417 km²
Xi'an
10,097 km²
Australia
People's Republic of China
Area Comparison
Perth is 1.6x smaller than Xi'an
Population Comparison
Perth has 6.1x fewer people than Xi'an
In terms of area, Xi'an is 1.6x the size of Perth. Xi'an spans 10,097 km² (3,898 mi²) while Perth covers 6,417 km² (2,478 mi²) — a difference of 3,680 km².
To put Perth's size in perspective, its area of 6,417 km² is roughly the same size as Shanghai. Meanwhile, Xi'an at 10,097 km² is about 1.6x the size of Shanghai.
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 Xi'an, that's about 1,400,000 American football fields, 170 times the area of Manhattan, or 96 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.
Xi'an is the capital of the Chinese province of Shaanxi. A sub-provincial city on the Guanzhong plain, the city is the third-most populous city in Western China after Chongqing and Chengdu, as well as the most populous city in Northwestern China. Its total population was 12.95 million in the 2020 census, including an urban population of 9.28 million.
Also known as "Ancient Capital", Xi'an has an area of 10,097 km² and is home to 12.9 million people. Visitors come for Terracotta Army, Xi'an City Wall, Big Wild Goose Pagoda, and much more.
Xi'an's 2020 census recorded 12.95 million residents, making it the most populous city in Northwestern China.
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Xi'an, with 1,283 people per km², is a relatively spread-out city. Xi'an is dramatically more crowded, with 3.9x the population density.
Density Gap
Xi'an is 3.9x 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).
Xi'an covers 10,097 km². Cities with a similar urban footprint include Melbourne (9,993 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 km²).
The straight-line distance from Perth to Xi'an is 7,398 km (4,597 miles), with an estimated flight time of ~9h 12m.
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