Montreal
498 km²
Oslo
454 km²
Canada
Norway
Area Comparison
Montreal is 1.1x larger than Oslo
Population Comparison
Montreal has 2.4x more people than Oslo
In terms of area, Montreal is 1.1x the size of Oslo. Montreal spans 498 km² (192 mi²) while Oslo covers 454 km² (175 mi²) — a difference of 44 km².
To put Montreal's size in perspective, its area of 498 km² is about 1.2x smaller than Seoul. Meanwhile, Oslo at 454 km² is about 1.3x smaller than Seoul.
Picture Montreal another way: its area is large enough to fit about 70,000 American football fields, 150 times the area of Central Park, or 8 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.
Montreal is the largest city in the province of Quebec, the second-largest in Canada, and the eighth-largest in North America. Founded in 1642 as Ville-Marie, or "City of Mary", it now takes its name from Mount Royal, the triple-peaked mountain around which the early settlement was built. The city is centred on the Island of Montreal and a few, much smaller, peripheral islands, the largest of which is Île Bizard.
Known as "MTL", Montreal covers 498 km² with a population of 1.8 million. The city was established in 1642. Montreal is known for Mount Royal, Notre-Dame Basilica, Old Montreal, among other attractions.
Montreal was founded in 1642 as Ville-Marie, meaning 'City of Mary', before adopting its current name from Mount Royal.
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.
Montreal has a population density of 3,534 people per km² — a moderately dense city. Oslo, with 1,586 people per km², is a relatively spread-out city. Montreal is noticeably denser, packing 2.2 times more people per square kilometer.
Density Gap
Montreal is 2.2x more densely populated
History
Oslo is ~594 years older
Montreal covers 498 km². Cities with a similar urban footprint include Prague (496 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 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 Montreal to Oslo is 5,481 km (3,406 miles), with an estimated flight time of ~6h 57m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.