Brisbane
15,826 km²
Chennai
427 km²
Australia
India
Area Comparison
Brisbane is 37.1x larger than Chennai
Population Comparison
Brisbane has 2.4x fewer people than Chennai
Brisbane is significantly larger, covering 37.1 times the area of Chennai. Brisbane spans 15,826 km² (6,110 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 15,399 km². You could fit Chennai inside Brisbane approximately 37 times.
To put Brisbane's size in perspective, its area of 15,826 km² is about 2.5x the size of Shanghai. Meanwhile, Chennai at 427 km² is about 1.4x smaller than Seoul.
In more relatable units, Brisbane's 15,826 km² is about 2,200,000 American football fields, 150 times the area of Paris, or 130 times the area of San Francisco. Chennai, by comparison, equals about 60,000 American football fields, 130 times the area of Central Park, or 7 times the area of Manhattan.
Brisbane is the capital and largest city of the Australian state of Queensland and the third-most populous city in Australia, with a population of approximately 2.8 million. Brisbane lies at the centre of South East Queensland, a bio-geographical and urban region with an estimated population of 4.1 million as of 2024. The central business district is situated within a peninsula of the Brisbane River approximately 15 kilometres (9.3 mi) from its mouth at Moreton Bay.
Known as "Brissy", Brisbane covers 15,826 km² with a population of 2.7 million. The city was established in 1824. Brisbane is known for Brisbane River, South Bank Parklands, Story Bridge, among other attractions.
Brisbane is Queensland's capital and Australia's third-most populous city with around 2.8 million residents.
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.
Nicknamed "Madras", Chennai has an area of 427 km² and is home to 6.6 million people. Its history stretches back to 1639. Visitors come for Marina Beach, Kapaleeshwarar Temple, Fort St. George, and much more.
Chennai, formerly Madras, is the capital of Tamil Nadu and the sixth-most-populous city in India.
Brisbane has a population density of 171 people per km² — a low-density, sprawling urban area. Chennai, with 15,457 people per km², is an extremely dense urban environment. Chennai is dramatically more crowded, with 90.4x the population density.
Size Ratio
Chennai fits inside Brisbane ~37 times
Density Gap
Chennai is 90.4x more densely populated
History
Chennai is ~185 years older
Brisbane covers 15,826 km². Cities with a similar urban footprint include Beijing (16,411 km²), Hangzhou (16,854 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 km²).
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).
The straight-line distance from Brisbane to Chennai is 9,036 km (5,615 miles), with an estimated flight time of ~11h 8m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.