Budapest
525 km²
Oslo
454 km²
Hungary
Norway
Area Comparison
Budapest is 1.2x larger than Oslo
Population Comparison
Budapest has 2.3x more people than Oslo
In terms of area, Budapest is 1.2x the size of Oslo. Budapest spans 525 km² (203 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 71 km².
To put Budapest's size in perspective, its area of 525 km² is about 1.2x smaller than Seoul. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
Picture Budapest another way: its area is large enough to fit about 74,000 American football fields, 150 times the area of Central Park, or 9 times the area of Manhattan. For Oslo, that's about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
Budapest is the capital and most populous city of Hungary. It is Hungary's primate city with 1.7 million inhabitants and its greater metro area has a population of about 3.3 million, representing one-third of the country's population and producing above 40% of the country's economic output. Budapest is the political, economic, and cultural center of the country, among the ten largest cities in the European Union and the second largest urban area in Central and Eastern Europe.
Known as "Pearl of the Danube", Budapest covers 525 km² with a population of 1.7 million. The city was established in 1873. Budapest is known for Buda Castle, Hungarian Parliament Building, Chain Bridge, among other attractions.
Budapest's metro area holds about 3.3 million people, roughly one-third of Hungary's entire population.
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. Its history stretches back to 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.
Budapest has a population density of 3,219 people per km² — a moderately dense city. Oslo, with 1,586 people per km², is a relatively spread-out city. Budapest is noticeably denser, packing 2.0 times more people per square kilometer.
Density Gap
Budapest is 2.0x more densely populated
History
Oslo is ~825 years older
Budapest covers 525 km². Cities with a similar urban footprint include Warsaw (517 km²), Montreal (498 km²), Prague (496 km²), Auckland (559 km²), or Mumbai (603 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 Budapest to Oslo is 1,483 km (921 miles), with an estimated flight time of ~2h 15m.
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