Oslo
454 km²
Stockholm
188 km²
Norway
Sweden
Area Comparison
Oslo is 2.4x larger than Stockholm
Population Comparison
Oslo has 1.4x fewer people than Stockholm
Oslo is significantly larger, covering 2.4 times the area of Stockholm. Oslo spans 454 km² (175 mi²) while Stockholm covers 188 km² (73 mi²) — a difference of 266 km². You could fit Stockholm inside Oslo approximately 2 times.
To put Oslo's size in perspective, its area of 454 km² is about 1.3x smaller than Seoul. Meanwhile, Stockholm at 188 km² is roughly the same size as Washington D.C..
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. For Stockholm, that's about 26,000 American football fields, 93 times the area of Monaco, or 55 times the area of Central Park.
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.
Stockholm is the capital and most populous city of Sweden, as well as the largest urban area in the Nordic countries. Approximately 1 million people live in the municipality, with 1.6 million in the urban area, and 2.5 million in the metropolitan area. The city stretches across fourteen islands where Lake Mälaren flows into the Baltic Sea. Outside the city to the east, and along the coast, is the island chain of the Stockholm archipelago.
Also known as "Venice of the North", Stockholm has an area of 188 km² and is home to 1.0 million people. Its history stretches back to 1252. Visitors come for Gamla Stan, Vasa Museum, Royal Palace, and much more. Getting around is easy with the Stockholm Metro (Tunnelbana).
Stockholm stretches across fourteen islands where Lake Mälaren flows into the Baltic Sea, forming the Nordic countries' largest urban area.
Oslo has a population density of 1,586 people per km² — a relatively spread-out city. Stockholm, with 5,213 people per km², is a densely populated city. Stockholm is dramatically more crowded, with 3.3x the population density.
Size Ratio
Stockholm fits inside Oslo ~2 times
Density Gap
Stockholm is 3.3x more densely populated
History
Oslo is ~204 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).
Stockholm covers 188 km². Cities with a similar urban footprint include Washington D.C. (177 km²), Buenos Aires (203 km²), Helsinki (214 km²), Amsterdam (219 km²), or Brussels (161 km²).
The straight-line distance from Oslo to Stockholm is 417 km (259 miles), with an estimated flight time of ~59m.
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