Chennai
427 km²
Madrid
604 km²
India
Spain
Area Comparison
Chennai is 1.4x smaller than Madrid
Population Comparison
Chennai has 2.0x more people than Madrid
Madrid is significantly larger, covering 1.4 times the area of Chennai. Madrid spans 604 km² (233 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 177 km².
To put Chennai's size in perspective, its area of 427 km² is about 1.4x smaller than Seoul. Meanwhile, Madrid at 604 km² is roughly the same size as Seoul.
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. Madrid, by comparison, equals about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan.
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.
Madrid is the capital and most populous city of Spain. It had a population of over 3.4 million in the city proper in 2025, and a metropolitan area population of approximately 6.8 million. Madrid is the second-largest city in the European Union (EU), after Berlin, and its metropolitan area is the second-largest in the EU, after Paris. The municipality covers an area of 605.77 square kilometres (233.89 sq mi).
Often called "La Villa y Corte", Madrid has an area of 604 km² and is home to 3.3 million people. It was established in 852. Visitors come for Royal Palace of Madrid, Prado Museum, Plaza Mayor, and much more. Getting around is easy with the Madrid Metro.
Madrid is the second-largest city in the European Union after Berlin, with over 3.4 million residents in the city proper
Chennai has a population density of 15,457 people per km² — an extremely dense urban environment. Madrid, with 5,513 people per km², is a densely populated city. Chennai is noticeably denser, packing 2.8 times more people per square kilometer.
Density Gap
Chennai is 2.8x more densely populated
History
Madrid is ~787 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).
Madrid covers 604 km². Cities with a similar urban footprint include Seoul (605 km²), Mumbai (603 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 km²).
The straight-line distance from Chennai to Madrid is 8,565 km (5,322 miles), with an estimated flight time of ~10h 35m.
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