Hangzhou
16,854 km²
Seoul
605 km²
People's Republic of China
South Korea
Area Comparison
Hangzhou is 27.9x larger than Seoul
Population Comparison
Hangzhou has 1.2x more people than Seoul
In terms of area, Hangzhou is 27.9x the size of Seoul. Hangzhou spans 16,854 km² (6,507 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 16,249 km². You could fit Seoul inside Hangzhou approximately 27 times.
To put Hangzhou's size in perspective, its area of 16,854 km² is about 2.7x the size of Shanghai. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Picture Hangzhou another way: its area is large enough to fit about 2,400,000 American football fields, 160 times the area of Paris, or 140 times the area of San Francisco. For Seoul, that's about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
Hangzhou is the capital city and most populous city of Zhejiang province, China, situated at the intersection of the southern terminus of the Grand Canal and the head of Hangzhou Bay. Renowned as one of the Eight Ancient Capitals of China, Hangzhou is celebrated for its cultural heritage and its West Lake, a UNESCO World Heritage site.
Known as "Paradise on Earth", Hangzhou covers 16,854 km² with a population of 11.9 million. Hangzhou is known for West Lake, Grand Canal terminus, Lingyin Temple, among other attractions.
Hangzhou's West Lake is a UNESCO World Heritage site, drawing visitors to its celebrated cultural landscape.
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.
Hangzhou has a population density of 708 people per km² — a relatively spread-out city. Seoul, with 16,149 people per km², is an extremely dense urban environment. Seoul is dramatically more crowded, with 22.8x the population density.
Size Ratio
Seoul fits inside Hangzhou ~27 times
Density Gap
Seoul is 22.8x more densely populated
Hangzhou covers 16,854 km². Cities with a similar urban footprint include Beijing (16,411 km²), Brisbane (15,826 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 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).
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The straight-line distance from Hangzhou to Seoul is 1,027 km (638 miles), with an estimated flight time of ~1h 42m.
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