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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.
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
Iran's capital and largest city. Also known as "The City of 72 Nations", Tehran has an area of 730 km² and is home to 9.1 million people. Its history stretches back to 1524. Visitors come for Golestan Palace, Grand Bazaar, Milad Tower, and much more. Getting around is easy with the Tehran Metro.
Tehran sits at the foot of Mount Damavand, the highest volcano in Asia at 5,610 meters
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
The straight-line distance from Bangkok to Tehran is 5,457 km (3,391 miles), with an estimated flight time of ~6h 55m. See full distance details, including timezone difference and city facts.
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