Bangkok
1,569 km²
Chennai
427 km²
Thailand
India
Area Comparison
Bangkok is 3.7x larger than Chennai
Population Comparison
Bangkok has 1.6x more people than Chennai
In terms of area, Bangkok is 3.7x the size of Chennai. Bangkok spans 1,569 km² (606 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 1,142 km². You could fit Chennai inside Bangkok approximately 3 times.
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Chennai at 427 km² is about 1.4x smaller than Seoul.
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. Chennai, by comparison, equals about 60,000 American football fields, 130 times the area of Central Park, or 7 times the area of Manhattan.
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.
Chennai, also known as Madras, is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. As per the 2011 Indian census, Chennai is the sixth-most-populous city in India and forms the fourth-most-populous urban agglomeration. The city is coterminous with Chennai district, which together with the adjoining suburbs constitutes the Chennai Metropolitan Area, one of the largest metropolitan areas of India.
Also known as "Madras", Chennai has an area of 427 km² and is home to 6.6 million people. It was established in 1639. Visitors come for Marina Beach, Kapaleeshwarar Temple, Fort St. George, and much more.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Chennai, with 15,457 people per km², is an extremely dense urban environment. Chennai is noticeably denser, packing 2.3 times more people per square kilometer.
Size Ratio
Chennai fits inside Bangkok ~3 times
Density Gap
Chennai is 2.3x more densely populated
History
Chennai is ~143 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).
Chennai covers 427 km². Cities with a similar urban footprint include Vienna (415 km²), Oslo (454 km²), Denver (401 km²), Portland (376 km²), or Philadelphia (370 km²).
The straight-line distance from Bangkok to Chennai is 2,188 km (1,360 miles), with an estimated flight time of ~3h 4m.
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