Karachi
3,527 km²
Seoul
605 km²
Pakistan
South Korea
Area Comparison
Karachi is 5.8x larger than Seoul
Population Comparison
Karachi has 1.5x more people than Seoul
Karachi is significantly larger, covering 5.8 times the area of Seoul. Karachi spans 3,527 km² (1,362 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 2,922 km². You could fit Seoul inside Karachi approximately 5 times.
To put Karachi's size in perspective, its area of 3,527 km² is about 1.1x smaller than Rhode Island. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Picture Karachi another way: its area is large enough to fit about 494,000 American football fields, 60 times the area of Manhattan, or 33 times the area of Paris. Seoul, by comparison, equals about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
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.
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. The city dates 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.
Karachi has a population density of 4,227 people per km² — a moderately dense city. Seoul, with 16,149 people per km², is an extremely dense urban environment. Seoul is dramatically more crowded, with 3.8x the population density.
Size Ratio
Seoul fits inside Karachi ~5 times
Density Gap
Seoul is 3.8x more densely populated
History
Seoul is ~1,747 years older
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).
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 Karachi to Seoul is 5,777 km (3,590 miles), with an estimated flight time of ~7h 18m.
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