Chennai
427 km²
London
1,572 km²
City Map Compare/Chennai vs Londonvs
vs
5 km
India
United Kingdom
Area Comparison
Chennai is 3.7x smaller than London
Population Comparison
Chennai has 1.4x fewer people than London
Yes — London is 3.7x larger than Chennai by area. London spans 1,572 km² (607 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 1,145 km². You could fit Chennai inside London approximately 3 times.
To put Chennai's size in perspective, its area of 427 km² is about 1.4x smaller than Seoul. Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
In more relatable units, Chennai's 427 km² is about 60,000 American football fields, 130 times the area of Central Park, or 7 times the area of Manhattan. London works out to about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris.
Chennai, also known as Madras, is the capital and largest city of Tamil Nadu, the southernmost state of India. It is located on the Coromandel Coast of the Bay of Bengal. As per the 2011 Indian census, Chennai is the sixth-most-populous city in India and forms the fourth-most-populous urban agglomeration. The city is coterminous with Chennai district, which together with the adjoining suburbs constitutes the Chennai Metropolitan Area, one of the largest metropolitan areas of India.
Known as "Madras", Chennai covers 427 km² with a population of 6.6 million. The city was established in 1639. Chennai is known for Marina Beach, Kapaleeshwarar Temple, Fort St. George, among other attractions.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years.
Nicknamed "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. The city dates back to 43. Visitors come for Big Ben, Tower Bridge, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
Chennai has a population density of 15,457 people per km² — an extremely dense urban environment. London, with 5,712 people per km², is a densely populated city. Chennai is noticeably denser, packing 2.7 times more people per square kilometer.
Size Ratio
Chennai fits inside London ~3 times
Density Gap
Chennai is 2.7x more densely populated
History
London is ~1,596 years older
Chennai covers 427 km². Cities with a similar urban footprint include Vienna (415 km²), Oslo (454 km²), Denver (401 km²), Portland (376 km²), or Philadelphia (370 km²).
London covers 1,572 km². Cities with a similar urban footprint include Bangkok (1,569 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
The straight-line distance from Chennai to London is 8,211 km (5,102 miles), with an estimated flight time of ~10h 10m.
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