Chennai
427 km²
Lisbon
100 km²
City Map Compare/Chennai vs Lisbonvs
vs
5 km
India
Portugal
Area Comparison
Chennai is 4.3x larger than Lisbon
Population Comparison
Chennai has 12.0x more people than Lisbon
Yes — Chennai is 4.3x larger than Lisbon by area. Chennai spans 427 km² (165 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 327 km². You could fit Lisbon inside Chennai approximately 4 times.
To put Chennai's size in perspective, its area of 427 km² is about 1.4x smaller than Seoul. Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (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. 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 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.
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 15,457 people per km² — an extremely dense urban environment. Lisbon, with 5,500 people per km², is a densely populated city. Chennai is noticeably denser, packing 2.8 times more people per square kilometer.
Size Ratio
Lisbon fits inside Chennai ~4 times
Density Gap
Chennai is 2.8x more densely populated
History
Lisbon is ~2,839 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).
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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