Lisbon
100 km²
London
1,572 km²
Portugal
UK
Area Comparison
Lisbon is 15.7x smaller than London
Population Comparison
Lisbon has 16.3x fewer people than London
London is significantly larger, covering 15.7 times the area of Lisbon. London spans 1,572 km² (607 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 1,472 km². You could fit Lisbon inside London approximately 15 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
In more relatable units, Lisbon's 100 km² is about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park. For London, that's about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Known as "City of Seven Hills", Lisbon covers 100 km² with a population of 0.6 million. The city was founded around 1200 BC. Lisbon is known for Belém Tower, Jerónimos Monastery, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
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.
Often called "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. The city dates back to 43. Visitors come for Big Ben, Tower Bridge, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
Looking beyond city limits, the London metropolitan area covers 8,382 km², which is 2.8x larger than greater Lisbon at 3,015 km². The London metro area is also more populous, with 14.3 million people compared to 2.9 million.
Lisbon has a population density of 5,500 people per km² — a densely populated city. London, with 5,712 people per km², is a densely populated city. Both cities have comparable density, though London is slightly more compact.
Both cities are in Europe, but they represent different national approaches to urban development. Lisbon (Portugal) and London (UK) offer a fascinating regional contrast.
Lisbon has a Mediterranean climate while London experiences oceanic conditions.
Size Ratio
Lisbon fits inside London ~15 times
History
Lisbon is ~1,243 years older
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 km²).
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).
The straight-line distance from Lisbon to London is 1,585 km (985 miles), with an estimated flight time of ~2h 22m.
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