Moscow
2,511 km²
Oslo
454 km²
Russia
Norway
Area Comparison
Moscow is 5.5x larger than Oslo
Population Comparison
Moscow has 17.4x more people than Oslo
Moscow is significantly larger, covering 5.5 times the area of Oslo. Moscow spans 2,511 km² (970 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 2,057 km². You could fit Oslo inside Moscow approximately 5 times.
To put Moscow's size in perspective, its area of 2,511 km² is roughly the same size as Luxembourg. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
In more relatable units, Moscow's 2,511 km² is about 352,000 American football fields, 42 times the area of Manhattan, or 24 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.
Moscow is the capital and largest city of Russia, standing on the Moskva River in Central Russia. It has a population estimated at over 13 million residents within the city limits, over 19.1 million residents in the urban area, and over 21.5 million residents in its metropolitan area. The city covers an area of 2,511 square kilometers (970 mi2), while the urban area covers 5,891 square kilometers (2,275 mi2), and the metropolitan area covers over 26,000 square kilometers (10,000 mi2).
Known as "Third Rome", Moscow covers 2,511 km² with a population of 12.5 million. The city was established in 1147. Moscow is known for Red Square, Kremlin, Saint Basil's Cathedral, among other attractions. The city's main transit system is the Moscow Metro.
Moscow's metropolitan area covers over 26,000 square kilometers, making it one of the largest metropolitan footprints in Europe.
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.
Moscow has a population density of 4,994 people per km² — a moderately dense city. Oslo, with 1,586 people per km², is a relatively spread-out city. Moscow is dramatically more crowded, with 3.1x the population density.
Size Ratio
Oslo fits inside Moscow ~5 times
Density Gap
Moscow is 3.1x more densely populated
Moscow covers 2,511 km². Cities with a similar urban footprint include Cape Town (2,455 km²), Lima (2,672 km²), Tokyo (2,194 km²), Ho Chi Minh City (2,061 km²), or Cairo (3,085 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 Moscow to Oslo is 1,644 km (1,022 miles), with an estimated flight time of ~2h 26m.
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