Chennai
426,830,040 km²
Seoul
605 km²
India
South Korea
Area Comparison
Chennai is 705504.2x larger than Seoul
Population Comparison
Chennai has 1.5x fewer people than Seoul
In terms of area, Chennai is 705504.2x the size of Seoul. Chennai spans 426,830,040 km² (164,799,932 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 426,829,435 km². You could fit Seoul inside Chennai approximately 705504 times.
Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Chennai's footprint is roughly about 59,780,100,000 American football fields — 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.
Chennai, also known as Madras, is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. As per the 2011 Indian census, Chennai is the sixth-most-populous city in India and forms the fourth-most-populous urban agglomeration. The city is coterminous with Chennai district, which together with the adjoining suburbs constitutes the Chennai Metropolitan Area, one of the largest metropolitan areas of India.
Known as "Madras", Chennai covers 426,830,040 km² with a population of 6.6 million. The city was established in 1639. Chennai is known for Marina Beach, Kapaleeshwarar Temple, Fort St. George, among other attractions.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
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.
Chennai has a population density of 0 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 Infinityx the population density.
Size Ratio
Seoul fits inside Chennai ~705504 times
Density Gap
Seoul is Infinityx more densely populated
History
Seoul is ~1,657 years older
Chennai covers 426,830,040 km². Cities with a similar urban footprint include Doha (132,000,000 km²), Dublin (114,990,000 km²), Hangzhou (16,854 km²), Beijing (16,411 km²), or Brisbane (15,826 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 Chennai to Seoul is 5,352 km (3,325 miles), with an estimated flight time of ~6h 48m.
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