Prague
496 km²
Rio de Janeiro
1,221 km²
Czech Republic
Brazil
Area Comparison
Prague is 2.5x smaller than Rio de Janeiro
Population Comparison
Prague has 4.8x fewer people than Rio de Janeiro
Rio de Janeiro is significantly larger, covering 2.5 times the area of Prague. Rio de Janeiro spans 1,221 km² (471 mi²) while Prague covers 496 km² (192 mi²) — a difference of 725 km². You could fit Prague inside Rio de Janeiro approximately 2 times.
To put Prague's size in perspective, its area of 496 km² is about 1.2x smaller than Seoul. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Picture Prague another way: its area is large enough to fit about 69,000 American football fields, 150 times the area of Central Park, or 8 times the area of Manhattan. Rio de Janeiro, by comparison, equals about 171,000 American football fields, 21 times the area of Manhattan, or 12 times the area of Paris.
Prague is the capital and largest city of the Czech Republic and the historical capital of Bohemia. Located on the Vltava River, the city has a population of about 1.4 million, making it the twelfth-largest city in the European Union. Its metropolitan area is home to approximately 2.3 million people.
Known as "The City of a Hundred Spires", Prague covers 496 km² with a population of 1.4 million. The city was established in 800. Prague is known for Charles Bridge, Prague Castle, Old Town Square, among other attractions.
Prague is the historical capital of Bohemia and today serves as the Czech Republic's capital and largest city.
Rio de Janeiro, also known simply as Rio, is the capital of the state of Rio de Janeiro. It is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous city in the Americas.
Also known as "Cidade Maravilhosa", Rio de Janeiro has an area of 1,221 km² and is home to 6.8 million people. It was established in 1565. Visitors come for Christ the Redeemer, Sugarloaf Mountain, Copacabana beach, and much more. Getting around is easy with the MetrôRio.
Rio de Janeiro is the second-most-populous city in Brazil after São Paulo and the sixth-most-populous in the Americas.
Prague has a population density of 2,823 people per km² — a moderately dense city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Rio de Janeiro is noticeably denser, packing 2.0 times more people per square kilometer.
Size Ratio
Prague fits inside Rio de Janeiro ~2 times
Density Gap
Rio de Janeiro is 2.0x more densely populated
History
Prague is ~765 years older
Prague covers 496 km². Cities with a similar urban footprint include Montreal (498 km²), Warsaw (517 km²), Budapest (525 km²), Oslo (454 km²), or Auckland (559 km²).
Rio de Janeiro covers 1,221 km². Cities with a similar urban footprint include San Antonio (1,209 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Prague to Rio de Janeiro is 9,892 km (6,146 miles), with an estimated flight time of ~12h 8m.
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