UK
Brazil
Area Comparison
London is 1.3x larger than Rio de Janeiro
Population Comparison
London has 1.3x more people than Rio de Janeiro
London is significantly larger, covering 1.3 times the area of Rio de Janeiro. London spans 1,572 km² (607 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 351 km².
To put London's size in perspective, its area of 1,572 km² is about 1.4x smaller than Tokyo (city proper). Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Capital of England and the United Kingdom. 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 of London, Buckingham Palace, among other attractions. The city's main transit system is the London Underground.
London was the first city to have an underground railway, opening in 1863
Brazil's iconic coastal city known for Carnival. Nicknamed "The Marvelous City", Rio de Janeiro has an area of 1,221 km² and is home to 6.8 million people. The city dates back to 1565. Visitors come for Christ the Redeemer, Copacabana Beach, Carnival, and much more. Getting around is easy with the MetrôRio.
Rio's Christ the Redeemer statue is struck by lightning an average of 6 times per year
Looking beyond city limits, the London metropolitan area covers 8,382 km², which is 1.2x larger than greater Rio de Janeiro at 6,744 km². The London metro area is also more populous, with 14.3 million people compared to 13.5 million.
London has a population density of 5,712 people per km² — a densely populated city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Both cities have comparable density, though London is slightly more compact.
This comparison spans continents — London in Europe versus Rio de Janeiro in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
London has a oceanic climate while Rio de Janeiro experiences tropical savanna conditions. Winters differ dramatically: Rio de Janeiro stays around 21°C while London drops to 5°C. When it's noon in London, it's 9:00 AM in Rio de Janeiro — a 3-hour time difference.
Time Difference
3 hours apart
History
London is ~1,522 years older
The straight-line distance from London to Rio de Janeiro is 9,277 km (5,765 miles), with an estimated flight time of ~11h 25m. See full distance details, including timezone difference and city facts.
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