Boston
232 km²
Tehran
730 km²
USA
Iran
Area Comparison
Boston is 3.1x smaller than Tehran
Population Comparison
Boston has 13.4x fewer people than Tehran
In terms of area, Tehran is 3.1x the size of Boston. Tehran spans 730 km² (282 mi²) while Boston covers 232 km² (90 mi²) — a difference of 498 km². You could fit Boston inside Tehran approximately 3 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, Tehran at 730 km² is roughly the same size as New York City.
Boston's footprint is roughly about 32,000 American football fields, 110 times the area of Monaco, or 68 times the area of Central Park — pick whichever unit feels intuitive. Tehran works out to about 102,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
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.
Known as "Beantown", Boston covers 232 km² with a population of 0.7 million. The city was established in 1630. Boston is known for Fenway Park, Freedom Trail, Harvard University, among other attractions. The city's main transit system is the MBTA (The T).
Boston covers just 125 km2 yet serves as the cultural and financial heart of all New England
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 Boston metropolitan area covers 11,700 km², which is 5.2x larger than greater Tehran at 2,235 km². The Tehran metro area is also more populous, with 16.0 million people compared to 4.9 million.
Boston has a population density of 2,931 people per km² — a moderately dense city. Tehran, with 12,507 people per km², is an extremely dense urban environment. Tehran is dramatically more crowded, with 4.3x the population density.
This comparison spans continents — Boston in North America versus Tehran in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Boston has a humid continental climate while Tehran experiences hot-summer Mediterranean conditions. When it's noon in Tehran, it's 3.5:00 AM in Boston — a 8.5-hour time difference.
Size Ratio
Boston fits inside Tehran ~3 times
Density Gap
Tehran is 4.3x more densely populated
Time Difference
8.5 hours apart
History
Tehran is ~106 years older
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).
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 Boston to Tehran is 9,554 km (5,937 miles), with an estimated flight time of ~11h 44m.
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