Hong Kong
1,114 km²
Tehran
730 km²
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.
Picture Hong Kong another way: its area is large enough to fit about 156,000 American football fields, 19 times the area of Manhattan, or 11 times the area of Paris. For Tehran, that's about 102,000 American football fields, 12 times the area of Manhattan, or 7 times the area of Paris.
Hong Kong is a special administrative region of China. Situated on China's southern coast just south of Shenzhen, it consists of Hong Kong Island, Kowloon, and the New Territories. With 7.5 million residents in a 1,114-square-kilometre (430 sq mi) territory, Hong Kong is the fourth-most densely populated region in the world.
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, Victoria Peak, Star Ferry, among other attractions. The city's main transit system is the MTR Hong Kong.
Hong Kong squeezes 7.5 million residents into 1,114 km2, making it the world's fourth-most densely populated region.
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. It was established in 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.
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
Hong Kong covers 1,114 km². Cities with a similar urban footprint include Lagos (1,172 km²), San Antonio (1,209 km²), Rio de Janeiro (1,221 km²), Dallas (997 km²), or Abu Dhabi (972 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 Hong Kong to Tehran is 6,180 km (3,840 miles), with an estimated flight time of ~7h 46m.
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