Cape Town
2,455 km²
Oslo
454 km²
South Africa
Norway
Area Comparison
Cape Town is 5.4x larger than Oslo
Population Comparison
Cape Town has 5.3x more people than Oslo
Yes — Cape Town is 5.4x larger than Oslo by area. Cape Town spans 2,455 km² (948 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 2,001 km². You could fit Oslo inside Cape Town approximately 5 times.
To put Cape Town's size in perspective, its area of 2,455 km² is roughly the same size as Moscow. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
In more relatable units, Cape Town's 2,455 km² is about 344,000 American football fields, 42 times the area of Manhattan, or 23 times the area of Paris. Oslo works out to about 64,000 American football fields, 130 times the area of Central Park, or 8 times the area of Manhattan.
Cape Town is the legislative capital of South Africa. It is the country's oldest city and the seat of the Parliament of South Africa. Cape Town is the country's second-largest city by population, after Johannesburg, and the largest city in the Western Cape. The city is part of the City of Cape Town metropolitan municipality.
Known as "The Mother City", Cape Town covers 2,455 km² with a population of 3.8 million. The city was established in 1652. Cape Town is known for Table Mountain, Cape of Good Hope, Robben Island, among other attractions.
Cape Town is South Africa's oldest city, founded in 1652 and home to the seat of the national Parliament.
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. The city dates 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.
Cape Town has a population density of 1,540 people per km² — a relatively spread-out city. Oslo, with 1,586 people per km², is a relatively spread-out city. Both cities have comparable density, though Oslo is slightly more compact.
Size Ratio
Oslo fits inside Cape Town ~5 times
History
Oslo is ~604 years older
Cape Town covers 2,455 km². Cities with a similar urban footprint include Moscow (2,511 km²), Lima (2,672 km²), Tokyo (2,194 km²), Ho Chi Minh City (2,061 km²), or Shenzhen (1,997 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 Cape Town to Oslo is 10,458 km (6,498 miles), with an estimated flight time of ~12h 48m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.