Bangkok
1,569 km²
Boston
232 km²
Thailand
USA
Area Comparison
Bangkok is 6.8x larger than Boston
Population Comparison
Bangkok has 15.5x more people than Boston
Bangkok is significantly larger, covering 6.8 times the area of Boston. Bangkok spans 1,569 km² (606 mi²) while Boston covers 232 km² (90 mi²) — a difference of 1,337 km². You could fit Boston inside Bangkok approximately 6 times.
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Boston at 232 km² is roughly the same size as Amsterdam.
Picture Bangkok another way: its area is large enough to fit about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris. Boston, by comparison, equals about 32,000 American football fields, 110 times the area of Monaco, or 68 times the area of Central Park.
Bangkok, officially known in Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies 1,568.7 square kilometres (605.7 sq mi) in the Chao Phraya River delta in central Thailand and has an estimated population of 11.4 million people as of 2024, 15.9% of the country's population.
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, Wat Pho, among other attractions. The city's main transit system is the BTS Skytrain & MRT.
Bangkok's official Thai name is Krung Thep Maha Nakhon, with the full ceremonial name being one of the longest place names in the world.
Boston is the capital and most populous city of the U.S. state of Massachusetts. It serves as a cultural and financial center of New England, a region of the Northeastern United States. Boston has an area of 48.4 sq mi (125 km2) and a population of 675,647 as of the 2020 census, making it the third-most populous city in the Northeastern United States after New York City and Philadelphia.
Often called "Beantown", Boston has an area of 232 km² and is home to 0.7 million people. It was established in 1630. Visitors come for Fenway Park, Freedom Trail, Harvard University, and much more. Getting around is easy with the MBTA (The T).
Boston covers just 125 km2 yet serves as the cultural and financial heart of all New England
Looking beyond city limits, the Boston metropolitan area covers 11,700 km², which is 1.5x larger than greater Bangkok at 7,762 km². The Bangkok metro area is also more populous, with 16.2 million people compared to 4.9 million.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Boston, with 2,931 people per km², is a moderately dense city. Bangkok is noticeably denser, packing 2.3 times more people per square kilometer.
This comparison spans continents — Bangkok in Asia versus Boston in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Bangkok has a tropical savanna climate while Boston experiences humid continental conditions. Winters differ dramatically: Bangkok stays around 26°C while Boston drops to -1°C. When it's noon in Bangkok, it's midnight in Boston — a 12-hour time difference.
Size Ratio
Boston fits inside Bangkok ~6 times
Density Gap
Bangkok is 2.3x more densely populated
Time Difference
12 hours apart
History
Boston is ~152 years older
Bangkok covers 1,569 km². Cities with a similar urban footprint include London (1,572 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
Boston covers 232 km². Cities with a similar urban footprint include Osaka (225 km²), Kuala Lumpur (243 km²), Amsterdam (219 km²), Helsinki (214 km²), or Edinburgh (259 km²).
The straight-line distance from Bangkok to Boston is 13,716 km (8,523 miles), with an estimated flight time of ~16h 38m.
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