Chennai
427 km²
Oslo
454 km²
City Map Compare/Chennai vs Oslovs
vs
5 km
India
Norway
Area Comparison
Chennai is 1.1x smaller than Oslo
Population Comparison
Chennai has 9.2x more people than Oslo
In terms of area, Oslo is 1.1x the size of Chennai. Oslo spans 454 km² (175 mi²) while Chennai covers 427 km² (165 mi²) — a difference of 27 km².
To put Chennai's size in perspective, its area of 427 km² is about 1.4x smaller than Seoul. Meanwhile, Oslo at 454 km² is about 1.3x smaller than 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. For Oslo, that's about 64,000 American football fields, 130 times the area of Central Park, or 8 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.
Oslo is the capital and most populous city of Norway. It constitutes both a county and a municipality. The municipality of Oslo had a population of 724,290 in 2025, while the city's greater urban area had a population of 1,110,887 in 2025, and the metropolitan area had an estimated population of 1,546,706 in 2021.
Often called "Tigerstaden", Oslo has an area of 454 km² and is home to 0.7 million people. The city dates back to 1048. Visitors come for Vigeland Park, Oslo Opera House, Akershus Fortress, and much more.
Oslo is both a county and a municipality, with the city itself home to about 724,000 residents in 2025.
Chennai has a population density of 15,457 people per km² — an extremely dense urban environment. Oslo, with 1,586 people per km², is a relatively spread-out city. Chennai is dramatically more crowded, with 9.7x the population density.
Density Gap
Chennai is 9.7x more densely populated
History
Oslo is ~591 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).
Oslo covers 454 km². Cities with a similar urban footprint include Chennai (427 km²), Prague (496 km²), Vienna (415 km²), Montreal (498 km²), or Denver (401 km²).
The straight-line distance from Chennai to Oslo is 7,616 km (4,733 miles), with an estimated flight time of ~9h 28m.
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