Brussels
161 km²
Seoul
605 km²
Belgium
South Korea
Area Comparison
Brussels is 3.8x smaller than Seoul
Population Comparison
Brussels has 7.8x fewer people than Seoul
Seoul is significantly larger, covering 3.8 times the area of Brussels. Seoul spans 605 km² (234 mi²) while Brussels covers 161 km² (62 mi²) — a difference of 444 km². You could fit Brussels inside Seoul approximately 3 times.
To put Brussels's size in perspective, its area of 161 km² is roughly the same size as Washington D.C.. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Picture Brussels another way: its area is large enough to fit about 23,000 American football fields, 80 times the area of Monaco, or 47 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.
Brussels, officially the Brussels-Capital Region, is a region of Belgium comprising 19 municipalities, including the City of Brussels, which is the capital of Belgium. The Brussels-Capital Region is located in the central portion of the country. It is a part of both the French Community of Belgium and the Flemish Community, and is separate from the Flemish Region (Flanders), within which it forms an enclave, and the Walloon Region (Wallonia), located less than 4 km (2.5 mi) south.
Known as "Capital of Europe", Brussels covers 161 km² with a population of 1.3 million. The city was established in 1989. Brussels is known for Grand Place, Manneken Pis, Atomium, among other attractions.
The Brussels-Capital Region comprises 19 municipalities and forms an enclave entirely within the Flemish Region.
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.
Brussels has a population density of 7,826 people per km² — a densely populated city. Seoul, with 16,149 people per km², is an extremely dense urban environment. Seoul is noticeably denser, packing 2.1 times more people per square kilometer.
Size Ratio
Brussels fits inside Seoul ~3 times
Density Gap
Seoul is 2.1x more densely populated
History
Seoul is ~2,007 years older
Brussels covers 161 km². Cities with a similar urban footprint include Minneapolis (149 km²), Washington D.C. (177 km²), Miami (143 km²), Stockholm (188 km²), or Buenos Aires (203 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 Brussels to Seoul is 8,705 km (5,409 miles), with an estimated flight time of ~10h 45m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.