Athens
39 km²
Oslo
454 km²
Greece
Norway
Area Comparison
Athens is 11.6x smaller than Oslo
Population Comparison
Athens has 1.1x fewer people than Oslo
Yes — Oslo is 11.6x larger than Athens by area. Oslo spans 454 km² (175 mi²) while Athens covers 39 km² (15 mi²) — a difference of 415 km². You could fit Athens inside Oslo approximately 11 times.
To put Athens's size in perspective, its area of 39 km² is about 1.5x smaller than Manhattan. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
In more relatable units, Athens's 39 km² is about 5,500 American football fields, 80 times the area of Vatican City, or 19 times the area of Monaco. Oslo, by comparison, equals about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
Athens is the capital and largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the eighth-largest urban area in the European Union (EU).
Known as "Cradle of Western Civilization", Athens covers 39 km² with a population of 0.6 million. The city was founded around 7000 BC. Athens is known for Acropolis of Athens, Parthenon, Plaka neighborhood, among other attractions.
Athens is the southernmost capital on the European mainland and capital of the Attica region.
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.
Often called "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.
Athens has a population density of 16,410 people per km² — an extremely dense urban environment. Oslo, with 1,586 people per km², is a relatively spread-out city. Athens is dramatically more crowded, with 10.3x the population density.
Size Ratio
Athens fits inside Oslo ~11 times
Density Gap
Athens is 10.3x more densely populated
History
Athens is ~8,048 years older
Athens covers 39 km². Cities with a similar urban footprint include Manila (43 km²), Tel Aviv (52 km²), Zurich (88 km²), Copenhagen (91 km²), or Lisbon (100 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 Athens to Oslo is 2,605 km (1,619 miles), with an estimated flight time of ~3h 34m.
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