Oslo
454 km²
Xi'an
10,097 km²
Norway
People's Republic of China
Area Comparison
Oslo is 22.2x smaller than Xi'an
Population Comparison
Oslo has 18.0x fewer people than Xi'an
Xi'an is significantly larger, covering 22.2 times the area of Oslo. Xi'an spans 10,097 km² (3,898 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 9,643 km². You could fit Oslo inside Xi'an approximately 22 times.
To put Oslo's size in perspective, its area of 454 km² is about 1.3x smaller than Seoul. Meanwhile, Xi'an at 10,097 km² is about 1.6x the size of Shanghai.
In more relatable units, Oslo's 454 km² is about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan. Xi'an works out to about 1,400,000 American football fields, 170 times the area of Manhattan, or 96 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.
Xi'an is the capital of the Chinese province of Shaanxi. A sub-provincial city on the Guanzhong plain, the city is the third-most populous city in Western China after Chongqing and Chengdu, as well as the most populous city in Northwestern China. Its total population was 12.95 million in the 2020 census, including an urban population of 9.28 million.
Often called "Ancient Capital", Xi'an has an area of 10,097 km² and is home to 12.9 million people. Visitors come for Terracotta Army, Xi'an City Wall, Big Wild Goose Pagoda, and much more.
Xi'an's 2020 census recorded 12.95 million residents, making it the most populous city in Northwestern China.
Oslo has a population density of 1,586 people per km² — a relatively spread-out city. Xi'an, with 1,283 people per km², is a relatively spread-out city. Both cities have comparable density, though Oslo is slightly more compact.
Size Ratio
Oslo fits inside Xi'an ~22 times
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).
Xi'an covers 10,097 km². Cities with a similar urban footprint include Melbourne (9,993 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 km²).
The straight-line distance from Oslo to Xi'an is 7,190 km (4,468 miles), with an estimated flight time of ~8h 58m.
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