Brisbane
15,826 km²
Oslo
454 km²
Australia
Norway
Area Comparison
Brisbane is 34.9x larger than Oslo
Population Comparison
Brisbane has 3.8x more people than Oslo
Yes — Brisbane is 34.9x larger than Oslo by area. Brisbane spans 15,826 km² (6,110 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 15,372 km². You could fit Oslo inside Brisbane approximately 34 times.
To put Brisbane's size in perspective, its area of 15,826 km² is about 2.5x the size of Shanghai. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
In more relatable units, Brisbane's 15,826 km² is about 2,200,000 American football fields, 150 times the area of Paris, or 130 times the area of San Francisco. Oslo works out to about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
Brisbane is the capital and largest city of the Australian state of Queensland and the third-most populous city in Australia, with a population of approximately 2.8 million. Brisbane lies at the centre of South East Queensland, a bio-geographical and urban region with an estimated population of 4.1 million as of 2024. The central business district is situated within a peninsula of the Brisbane River approximately 15 kilometres (9.3 mi) from its mouth at Moreton Bay.
Known as "Brissy", Brisbane covers 15,826 km² with a population of 2.7 million. The city was established in 1824. Brisbane is known for Brisbane River, South Bank Parklands, Story Bridge, among other attractions.
Brisbane is Queensland's capital and Australia's third-most populous city with around 2.8 million residents.
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.
Nicknamed "Tigerstaden", Oslo has an area of 454 km² and is home to 0.7 million people. It was established in 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.
Brisbane has a population density of 171 people per km² — a low-density, sprawling urban area. Oslo, with 1,586 people per km², is a relatively spread-out city. Oslo is dramatically more crowded, with 9.3x the population density.
Size Ratio
Oslo fits inside Brisbane ~34 times
Density Gap
Oslo is 9.3x more densely populated
History
Oslo is ~776 years older
Brisbane covers 15,826 km². Cities with a similar urban footprint include Beijing (16,411 km²), Hangzhou (16,854 km²), Chengdu (14,378 km²), Sydney (12,368 km²), or Xi'an (10,097 km²).
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).
The straight-line distance from Brisbane to Oslo is 15,420 km (9,582 miles), with an estimated flight time of ~18h 38m.
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