Chennai
427 km²
Phoenix
1,341 km²
India
United States
Area Comparison
Chennai is 3.1x smaller than Phoenix
Population Comparison
Chennai has 4.1x more people than Phoenix
In terms of area, Phoenix is 3.1x the size of Chennai. Phoenix spans 1,341 km² (518 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 914 km². You could fit Chennai inside Phoenix approximately 3 times.
To put Chennai's size in perspective, its area of 427 km² is about 1.4x smaller than Seoul. Meanwhile, Phoenix at 1,341 km² is about 1.2x smaller than London.
Chennai's footprint is roughly about 60,000 American football fields, 130 times the area of Central Park, or 7 times the area of Manhattan — pick whichever unit feels intuitive. Phoenix, by comparison, equals about 188,000 American football fields, 23 times the area of Manhattan, or 13 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.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital. The Phoenix metropolitan area, with an estimated 5.19 million residents, is the tenth-most populous metropolitan area in the U.S. and the most populous in the Mountain states and Southwest.
Nicknamed "Valley of the Sun", Phoenix has an area of 1,341 km² and is home to 1.6 million people. The city dates back to 1868. Visitors come for Camelback Mountain, Desert Botanical Garden, Heard Museum, and much more.
Phoenix is the most populous U.S. state capital and the fifth-largest city in the country with 1.6 million residents.
Chennai has a population density of 15,457 people per km² — an extremely dense urban environment. Phoenix, with 1,201 people per km², is a relatively spread-out city. Chennai is dramatically more crowded, with 12.9x the population density.
Size Ratio
Chennai fits inside Phoenix ~3 times
Density Gap
Chennai is 12.9x more densely populated
History
Chennai is ~229 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).
Phoenix covers 1,341 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Rome (1,285 km²), Rio de Janeiro (1,221 km²), Delhi (1,484 km²), or Mexico City (1,485 km²).
The straight-line distance from Chennai to Phoenix is 14,678 km (9,120 miles), with an estimated flight time of ~17h 46m.
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