Perth
6,417 km²
Seoul
605 km²
Australia
South Korea
Area Comparison
Perth is 10.6x larger than Seoul
Population Comparison
Perth has 4.6x fewer people than Seoul
In terms of area, Perth is 10.6x the size of Seoul. Perth spans 6,417 km² (2,478 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 5,812 km². You could fit Seoul inside Perth approximately 10 times.
To put Perth's size in perspective, its area of 6,417 km² is roughly the same size as Shanghai. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Perth's footprint is roughly about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris — pick whichever unit feels intuitive. For Seoul, that's about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
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.
Seoul, officially Seoul Special Metropolitan City, is the capital and largest city of South Korea, and the largest city in the whole of Korea. The broader Seoul Metropolitan Area, encompassing Seoul, Gyeonggi Province and Incheon, emerged as the world's sixth largest metropolitan economy in 2022, behind New York, Tokyo, Los Angeles, Paris, and London, and hosts more than half of South Korea's population.
Seoul has an area of 605 km² and is home to 9.8 million people. Its history stretches back to 18 BC. Visitors come for Gyeongbokgung Palace, Gangnam district, Myeongdong shopping, and much more. Getting around is easy with the Seoul Metro.
Seoul Metropolitan Area emerged as the world's sixth largest metropolitan economy in 2022, behind only NYC, Tokyo, LA, Paris, and London.
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Seoul, with 16,149 people per km², is an extremely dense urban environment. Seoul is dramatically more crowded, with 48.5x the population density.
Size Ratio
Seoul fits inside Perth ~10 times
Density Gap
Seoul is 48.5x more densely populated
History
Seoul is ~1,847 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).
Seoul covers 605 km². Cities with a similar urban footprint include Chicago (606 km²), Madrid (604 km²), Mumbai (603 km²), Toronto (630 km²), or Hyderabad (650 km²).
The straight-line distance from Perth to Seoul is 7,816 km (4,857 miles), with an estimated flight time of ~9h 42m.
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