Oslo
454 km²
Warsaw
517 km²
Norway
Poland
Area Comparison
Oslo is 1.1x smaller than Warsaw
Population Comparison
Oslo has 2.6x fewer people than Warsaw
Yes — Warsaw is 1.1x larger than Oslo by area. Warsaw spans 517 km² (200 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 63 km².
To put Oslo's size in perspective, its area of 454 km² is about 1.3x smaller than Seoul. Meanwhile, Warsaw at 517 km² is about 1.2x smaller than Seoul.
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. Warsaw, by comparison, equals about 72,000 American football fields, 150 times the area of Central Park, or 9 times the area of Manhattan.
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.
Warsaw, officially the Capital City of Warsaw, is the capital and largest city of Poland. The metropolis stands on the River Vistula in east-central Poland. Its population is officially estimated at 1.86 million residents within a greater metropolitan area of 3.27 million residents, which makes Warsaw the 6th most-populous city in the European Union. The city area measures 517 square kilometres and comprises 18 districts, while the metropolitan area covers 6,100 square kilometres.
Often called "Phoenix City", Warsaw has an area of 517 km² and is home to 1.9 million people. Visitors come for Warsaw Old Town, Palace of Culture and Science, Royal Castle, and much more.
Warsaw is Poland's capital and largest city, with 1.86 million residents and a metro area of 3.27 million.
Oslo has a population density of 1,586 people per km² — a relatively spread-out city. Warsaw, with 3,598 people per km², is a moderately dense city. Warsaw is noticeably denser, packing 2.3 times more people per square kilometer.
Density Gap
Warsaw is 2.3x more densely populated
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).
Warsaw covers 517 km². Cities with a similar urban footprint include Budapest (525 km²), Montreal (498 km²), Prague (496 km²), Auckland (559 km²), or Oslo (454 km²).
The straight-line distance from Oslo to Warsaw is 1,063 km (661 miles), with an estimated flight time of ~1h 45m.
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