Karachi
3,527 km²
Perth
6,417 km²
Pakistan
Australia
Area Comparison
Karachi is 1.8x smaller than Perth
Population Comparison
Karachi has 7.0x more people than Perth
In terms of area, Perth is 1.8x the size of Karachi. Perth spans 6,417 km² (2,478 mi²) while Karachi covers 3,527 km² (1,362 mi²) — a difference of 2,890 km².
To put Karachi's size in perspective, its area of 3,527 km² is about 1.1x smaller than Rhode Island. Meanwhile, Perth at 6,417 km² is roughly the same size as Shanghai.
Karachi's footprint is roughly about 494,000 American football fields, 60 times the area of Manhattan, or 33 times the area of Paris — pick whichever unit feels intuitive. Perth works out to about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris.
Karachi is the capital city of the province of Sindh, Pakistan. It is the largest city in Pakistan and 12th largest in the world, with a population of over 20 million. It is situated at the southern tip of the country along the Arabian Sea coast and formerly served as the country's capital from 1947 to 1959. Ranked as a beta-global city, it is Pakistan's premier industrial and financial centre, with an estimated GDP of over $200 billion (PPP) as of 2021.
Known as "City of Lights", Karachi covers 3,527 km² with a population of 14.9 million. The city was established in 1729. Karachi is known for Port of Karachi, Mazar-e-Quaid mausoleum, Clifton Beach, among other attractions.
Karachi is Pakistan's largest city and the 12th largest in the world, with a population of over 20 million.
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.
Nicknamed "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.
Karachi has a population density of 4,227 people per km² — a moderately dense city. Perth, with 333 people per km², is a low-density, sprawling urban area. Karachi is dramatically more crowded, with 12.7x the population density.
Density Gap
Karachi is 12.7x more densely populated
Karachi covers 3,527 km². Cities with a similar urban footprint include Hanoi (3,359 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 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 Karachi to Perth is 8,172 km (5,078 miles), with an estimated flight time of ~10h 7m.
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