Oslo
454 km²
Shenzhen
1,997 km²
Norway
China
Area Comparison
Oslo is 4.4x smaller than Shenzhen
Population Comparison
Oslo has 24.4x fewer people than Shenzhen
Shenzhen is significantly larger, covering 4.4 times the area of Oslo. Shenzhen spans 1,997 km² (771 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 1,543 km². You could fit Oslo inside Shenzhen approximately 4 times.
To put Oslo's size in perspective, its area of 454 km² is about 1.3x smaller than Seoul. Meanwhile, Shenzhen at 1,997 km² is roughly the same size as Tokyo (city proper).
Picture Oslo another way: its area is large enough to fit about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan. For Shenzhen, that's about 280,000 American football fields, 34 times the area of Manhattan, or 19 times the area of Paris.
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.
Known as "Tigerstaden", Oslo covers 454 km² with a population of 0.7 million. The city was established in 1048. Oslo is known for Vigeland Park, Oslo Opera House, Akershus Fortress, among other attractions.
Oslo is both a county and a municipality, with the city itself home to about 724,000 residents in 2025.
Shenzhen is a prefecture-level city in the province of Guangdong, China. A special economic zone, it is located on the east bank of the Pearl River estuary on the central coast of Guangdong, bordering Hong Kong to the south, Dongguan to the north, Huizhou to the northeast, and Macau to the southwest. With a population of 17.5 million in 2020, Shenzhen is the third-most-populous city by urban population in China after Shanghai and Beijing.
Often called "China's Silicon Valley", Shenzhen has an area of 1,997 km² and is home to 17.6 million people. The city dates back to 1979. Visitors come for Ping An Finance Centre, Window of the World, OCT Loft, and much more. Getting around is easy with the Shenzhen Metro.
Shenzhen grew from a small town into China's third-most-populous urban city, hitting 17.5 million residents by 2020
Oslo has a population density of 1,586 people per km² — a relatively spread-out city. Shenzhen, with 8,793 people per km², is a densely populated city. Shenzhen is dramatically more crowded, with 5.5x the population density.
Size Ratio
Oslo fits inside Shenzhen ~4 times
Density Gap
Shenzhen is 5.5x more densely populated
History
Oslo is ~931 years older
Oslo covers 454 km². Cities with a similar urban footprint include Prague (496 km²), Vienna (415 km²), Montreal (498 km²), Denver (401 km²), or Warsaw (517 km²).
Shenzhen covers 1,997 km². Cities with a similar urban footprint include Ho Chi Minh City (2,061 km²), Tokyo (2,194 km²), Riyadh (1,798 km²), Houston (1,725 km²), or Johannesburg (1,644 km²).
The straight-line distance from Oslo to Shenzhen is 8,561 km (5,320 miles), with an estimated flight time of ~10h 34m.
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