Bangkok
1,569 km²
Tehran
730 km²
Thailand
Iran
Area Comparison
Bangkok is 2.1x larger than Tehran
Population Comparison
Bangkok has 1.2x more people than Tehran
In terms of area, Bangkok is 2.1x the size of Tehran. Bangkok spans 1,569 km² (606 mi²) while Tehran covers 730 km² (282 mi²) — a difference of 839 km². You could fit Tehran 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, Tehran at 730 km² is roughly the same size as New York City.
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. Tehran works out to about 102,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
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.
Tehran is the capital and largest city of Iran. It is also the capital of Tehran province and the administrative center for Tehran County and its Central District. With a population of around 9 million in the city, and 16.8 million in the metropolitan area, Tehran is the most populous city in Iran and West Asia, the second-largest metropolitan area in the Middle East after Cairo, and the 24th-most-populous metropolitan area in the world.
Tehran has an area of 730 km² and is home to 9.1 million people. Its history stretches back to 1524. Visitors come for Azadi Tower, Milad Tower, Golestan Palace, and much more. Getting around is easy with the Tehran Metro.
Tehran's metropolitan area holds 16.8 million people, making it the second-largest metropolitan area in the Middle East after Cairo.
Looking beyond city limits, the Bangkok metropolitan area covers 7,762 km², which is 3.5x larger than greater Tehran at 2,235 km². The Bangkok metro area is also more populous, with 16.2 million people compared to 16.0 million.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Tehran, with 12,507 people per km², is an extremely dense urban environment. Tehran is noticeably denser, packing 1.9 times more people per square kilometer.
Both cities are in Asia, but they represent different national approaches to urban development. Bangkok (Thailand) and Tehran (Iran) offer a fascinating regional contrast.
Bangkok has a tropical savanna climate while Tehran experiences hot-summer Mediterranean conditions. Winters differ dramatically: Bangkok stays around 26°C while Tehran drops to 3°C. When it's noon in Bangkok, it's 8.5:00 AM in Tehran — a 3.5-hour time difference.
Size Ratio
Tehran fits inside Bangkok ~2 times
Density Gap
Tehran is 1.9x more densely populated
Time Difference
3.5 hours apart
History
Tehran is ~258 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).
Tehran covers 730 km². Cities with a similar urban footprint include Singapore (733 km²), Bangalore (741 km²), Hamburg (755 km²), Nairobi (696 km²), or New York (783 km²).
The straight-line distance from Bangkok to Tehran is 5,457 km (3,391 miles), with an estimated flight time of ~6h 55m.
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