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Thailand
South Korea
Area Comparison
Bangkok is 2.6x larger than Seoul
Population Comparison
Bangkok has 1.1x more people than Seoul
Yes — Bangkok is 2.6x larger than Seoul by area. Bangkok spans 1,569 km² (606 mi²) while Seoul covers 605 km² (234 mi²) — a difference of 964 km². You could fit Seoul inside Bangkok approximately 2 times.
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Seoul at 605 km² is about 1.3x smaller than New York City.
Thailand's capital and largest city. Known as "City of Angels", Bangkok covers 1,569 km² with a population of 10.5 million. The city was established in 1782. Bangkok is known for Grand Palace, Wat Arun, Floating markets, among other attractions. The city's main transit system is the BTS Skytrain & MRT.
Bangkok's full ceremonial name is 168 characters long, making it the longest city name in the world
Capital of South Korea and a major tech hub. Often called "The Soul of Asia", 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, K-pop culture, and much more. Getting around is easy with the Seoul Metro.
Seoul's metro area contains nearly half of South Korea's entire population
Looking beyond city limits, the Seoul metropolitan area covers 11,704 km², which is 1.5x larger than greater Bangkok at 7,762 km². The Seoul metro area is also more populous, with 25.5 million people compared to 16.2 million.
Bangkok has a population density of 6,718 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 2.4 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Bangkok (Thailand) and Seoul (South Korea) offer a fascinating regional contrast.
Bangkok has a tropical savanna climate while Seoul experiences humid continental conditions. Winters differ dramatically: Bangkok stays around 26°C while Seoul drops to -3°C. When it's noon in Seoul, it's 10:00 AM in Bangkok — a 2-hour time difference.
Size Ratio
Seoul fits inside Bangkok ~2 times
Density Gap
Seoul is 2.4x more densely populated
History
Seoul is ~1,800 years older
The straight-line distance from Bangkok to Seoul is 3,722 km (2,313 miles), with an estimated flight time of ~4h 53m. See full distance details, including timezone difference and city facts.
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