Miami
143 km²
Seoul
605 km²
USA
South Korea
Area Comparison
Miami is 4.2x smaller than Seoul
Population Comparison
Miami has 22.2x fewer people than Seoul
Yes — Seoul is 4.2x larger than Miami by area. Seoul spans 605 km² (234 mi²) while Miami covers 143 km² (55 mi²) — a difference of 462 km². You could fit Miami inside Seoul approximately 4 times.
To put Miami's size in perspective, its area of 143 km² is about 1.2x the size of San Francisco. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Picture Miami another way: its area is large enough to fit about 20,000 American football fields, 71 times the area of Monaco, or 42 times the area of Central Park. Seoul, by comparison, equals about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
Miami is a coastal city in the U.S. state of Florida. It is the second-most populous city proper in Florida, with a population of 442,241 at the 2020 census. The Miami metropolitan area in South Florida has an estimated 6.39 million residents, ranking as the fifth-largest metropolitan area in the Southeast and eighth-largest metropolitan area in the United States. Miami has the third-largest skyline in the U.S. with over 300 high-rises, 70 of which exceed 491 ft (150 m).
Known as "Magic City", Miami covers 143 km² with a population of 0.4 million. The city was established in 1896. Miami is known for South Beach, Art Deco Historic District, Little Havana, among other attractions. The city's main transit system is the Metrorail Miami.
Miami boasts the third-largest skyline in the U.S. with over 300 high-rises, 70 of them topping 491 feet
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. It was founded around 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.
Looking beyond city limits, the Miami metropolitan area covers 15,890 km², which is 1.4x larger than greater Seoul at 11,704 km². The Seoul metro area is also more populous, with 25.5 million people compared to 6.2 million.
Miami has a population density of 3,077 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 5.2x the population density.
This comparison spans continents — Miami in North America versus Seoul in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Miami has a tropical monsoon climate while Seoul experiences humid continental conditions. Winters differ dramatically: Miami stays around 20°C while Seoul drops to -3°C. When it's noon in Seoul, it's midnight in Miami — a 14-hour time difference.
Size Ratio
Miami fits inside Seoul ~4 times
Density Gap
Seoul is 5.2x more densely populated
Time Difference
14 hours apart
History
Seoul is ~1,914 years older
Miami covers 143 km². Cities with a similar urban footprint include Minneapolis (149 km²), Brussels (161 km²), San Francisco (121 km²), Washington D.C. (177 km²), or Vancouver (115 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 Miami to Seoul is 12,423 km (7,719 miles), with an estimated flight time of ~15h 7m.
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