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China
Iran
Area Comparison
Hong Kong is 1.5x larger than Tehran
Population Comparison
Hong Kong has 1.2x fewer people than Tehran
Hong Kong is significantly larger, covering 1.5 times the area of Tehran. Hong Kong spans 1,114 km² (430 mi²) while Tehran covers 730 km² (282 mi²) — a difference of 384 km².
To put Hong Kong's size in perspective, its area of 1,114 km² is about 1.2x the size of Berlin. Meanwhile, Tehran at 730 km² is roughly the same size as New York City.
A major financial hub and special administrative region of China. Known as "Pearl of the Orient", Hong Kong covers 1,114 km² with a population of 7.4 million. The city was established in 1841. Hong Kong is known for Victoria Harbour skyline, Dim sum cuisine, Star Ferry, among other attractions. The city's main transit system is the MTR Hong Kong.
Hong Kong has more skyscrapers than any other city in the world, with over 480 buildings above 150 meters
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. It was established in 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
Hong Kong has a population density of 6,652 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. Hong Kong (China) and Tehran (Iran) offer a fascinating regional contrast.
Hong Kong has a humid subtropical climate while Tehran experiences hot-summer Mediterranean conditions. When it's noon in Hong Kong, it's 7.5:00 AM in Tehran — a 4.5-hour time difference.
Density Gap
Tehran is 1.9x more densely populated
Time Difference
4.5 hours apart
History
Tehran is ~317 years older
The straight-line distance from Hong Kong to Tehran is 6,180 km (3,840 miles), with an estimated flight time of ~7h 46m. See full distance details, including timezone difference and city facts.
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