Chennai
426,830,040 km²
Lisbon
100 km²
India
Portugal
Area Comparison
Chennai is 4268300.4x larger than Lisbon
Population Comparison
Chennai has 12.0x more people than Lisbon
Yes — Chennai is 4268300.4x larger than Lisbon by area. Chennai spans 426,830,040 km² (164,799,932 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 426,829,940 km². You could fit Lisbon inside Chennai approximately 4268300 times.
Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
In more relatable units, Chennai's 426,830,040 km² is about 59,780,100,000 American football fields. Lisbon works out to about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park.
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 426,830,040 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.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Nicknamed "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. The city dates back to 1200 BC. Visitors come for Belém Tower, Jerónimos Monastery, Tram 28, and much more. Getting around is easy with the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Chennai has a population density of 0 people per km² — a low-density, sprawling urban area. Lisbon, with 5,500 people per km², is a densely populated city. Lisbon is dramatically more crowded, with Infinityx the population density.
Size Ratio
Lisbon fits inside Chennai ~4268300 times
Density Gap
Lisbon is Infinityx more densely populated
History
Lisbon is ~2,839 years older
Chennai covers 426,830,040 km². Cities with a similar urban footprint include Doha (132,000,000 km²), Dublin (114,990,000 km²), Hangzhou (16,854 km²), Beijing (16,411 km²), or Brisbane (15,826 km²).
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 km²).
The straight-line distance from Chennai to Lisbon is 9,052 km (5,625 miles), with an estimated flight time of ~11h 9m.
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