London
1,572 km²
Montreal
498 km²
UK
Canada
Area Comparison
London is 3.2x larger than Montreal
Population Comparison
London has 5.1x more people than Montreal
In terms of area, London is 3.2x the size of Montreal. London spans 1,572 km² (607 mi²) while Montreal covers 498 km² (192 mi²) — a difference of 1,074 km². You could fit Montreal inside London approximately 3 times.
To put London's size in perspective, its area of 1,572 km² is about 1.4x smaller than Tokyo (city proper). Meanwhile, Montreal at 498 km² is about 1.2x smaller than Seoul.
London's footprint is roughly about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris — pick whichever unit feels intuitive. Montreal, by comparison, equals about 70,000 American football fields, 150 times the area of Central Park, or 8 times the area of Manhattan.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years.
Known as "The Big Smoke", London covers 1,572 km² with a population of 9.0 million. The city was established in 43. London is known for Big Ben, Tower Bridge, Buckingham Palace, among other attractions. The city's main transit system is the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
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.
Nicknamed "MTL", Montreal has an area of 498 km² and is home to 1.8 million people. The city dates back to 1642. Visitors come for Mount Royal, Notre-Dame Basilica, Old Montreal, and much more.
Montreal was founded in 1642 as Ville-Marie, meaning 'City of Mary', before adopting its current name from Mount Royal.
London has a population density of 5,712 people per km² — a densely populated city. Montreal, with 3,534 people per km², is a moderately dense city. London is noticeably denser, packing 1.6 times more people per square kilometer.
Size Ratio
Montreal fits inside London ~3 times
Density Gap
London is 1.6x more densely populated
History
London is ~1,599 years older
London covers 1,572 km². Cities with a similar urban footprint include Bangkok (1,569 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
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).
The straight-line distance from London to Montreal is 5,220 km (3,243 miles), with an estimated flight time of ~6h 38m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.