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Spain
UK
Area Comparison
Barcelona is 15.6x smaller than London
Population Comparison
Barcelona has 5.4x fewer people than London
Yes — London is 15.6x larger than Barcelona by area. London spans 1,572 km² (607 mi²) while Barcelona covers 101 km² (39 mi²) — a difference of 1,471 km². You could fit Barcelona inside London approximately 15 times.
To put Barcelona's size in perspective, its area of 101 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).
A Mediterranean city known for Gaudi's architecture. Known as "The City of Counts", Barcelona covers 101 km² with a population of 1.7 million. The city was founded around 230 BC. Barcelona is known for Sagrada Família, Park Güell, La Rambla, among other attractions. The city's main transit system is the Barcelona Metro (TMB).
Gaudí's Sagrada Família has been under construction since 1882 and is expected to be completed around 2026
Capital of England and the United Kingdom. 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 of London, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London was the first city to have an underground railway, opening in 1863
Looking beyond city limits, the London metropolitan area covers 8,382 km², which is 10.4x larger than greater Barcelona at 803 km². The London metro area is also more populous, with 14.3 million people compared to 5.6 million.
Barcelona has a population density of 16,436 people per km² — an extremely dense urban environment. London, with 5,712 people per km², is a densely populated city. Barcelona is noticeably denser, packing 2.9 times more people per square kilometer.
Both cities are in Europe, but they represent different national approaches to urban development. Barcelona (Spain) and London (UK) offer a fascinating regional contrast.
Barcelona has a Mediterranean climate while London experiences oceanic conditions.
Size Ratio
Barcelona fits inside London ~15 times
Density Gap
Barcelona is 2.9x more densely populated
History
Barcelona is ~273 years older
The straight-line distance from Barcelona to London is 1,139 km (708 miles), with an estimated flight time of ~1h 50m. See full distance details, including timezone difference and city facts.
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