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Russia
Brazil
Area Comparison
Moscow is 2.1x larger than Rio de Janeiro
Population Comparison
Moscow has 1.9x more people than Rio de Janeiro
In terms of area, Moscow is 2.1x the size of Rio de Janeiro. Moscow spans 2,511 km² (970 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 1,290 km². You could fit Rio de Janeiro inside Moscow approximately 2 times.
To put Moscow's size in perspective, its area of 2,511 km² is roughly the same size as Luxembourg. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Russia's capital and largest city. Known as "The Third Rome", Moscow covers 2,511 km² with a population of 12.5 million. The city was established in 1147. Moscow is known for The Kremlin, Red Square, Saint Basil's Cathedral, among other attractions. The city's main transit system is the Moscow Metro.
Moscow's metro stations are considered some of the most beautiful in the world, often called 'underground palaces'
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 Rio de Janeiro metropolitan area covers 6,744 km², which is 1.1x larger than greater Moscow at 5,891 km². The Moscow metro area is also more populous, with 17.1 million people compared to 13.5 million.
Moscow has a population density of 4,994 people per km² — a moderately dense city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Both cities have comparable density, though Rio de Janeiro is slightly more compact.
This comparison spans continents — Moscow in Europe versus Rio de Janeiro in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Moscow has a humid continental climate while Rio de Janeiro experiences tropical savanna conditions. Winters differ dramatically: Rio de Janeiro stays around 21°C while Moscow drops to -8°C. When it's noon in Moscow, it's 6:00 AM in Rio de Janeiro — a 6-hour time difference.
Size Ratio
Rio de Janeiro fits inside Moscow ~2 times
Time Difference
6 hours apart
History
Moscow is ~418 years older
The straight-line distance from Moscow to Rio de Janeiro is 11,544 km (7,173 miles), with an estimated flight time of ~14h 5m. See full distance details, including timezone difference and city facts.
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