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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.
A historic city and academic center in the northeastern US. Known as "Beantown", Boston covers 232 km² with a population of 0.7 million. The city was established in 1630. Boston is known for Harvard & MIT, Freedom Trail, Fenway Park, among other attractions. The city's main transit system is the MBTA (The T).
Boston's subway system (the T) opened in 1897, making it the oldest subway in North America
Iran's capital and largest city. Nicknamed "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 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
The straight-line distance from Boston to Tehran is 9,554 km (5,937 miles), with an estimated flight time of ~11h 44m. See full distance details, including timezone difference and city facts.
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