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USA
Brazil
Area Comparison
Miami is 8.5x smaller than Rio de Janeiro
Population Comparison
Miami has 15.3x fewer people than Rio de Janeiro
In terms of area, Rio de Janeiro is 8.5x the size of Miami. Rio de Janeiro spans 1,221 km² (471 mi²) while Miami covers 143 km² (55 mi²) — a difference of 1,078 km². You could fit Miami inside Rio de Janeiro approximately 8 times.
To put Miami's size in perspective, its area of 143 km² is about 1.2x the size of San Francisco. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
A major coastal city and gateway to Latin America. Known as "The Magic City", Miami covers 143 km² with a population of 0.4 million. The city was established in 1896. Miami is known for South Beach, Art Deco Historic District, Little Havana, among other attractions. The city's main transit system is the Metrorail Miami.
Miami is the only major US city founded by a woman — Julia Tuttle in 1896
Brazil's iconic coastal city known for Carnival. Often called "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 Miami metropolitan area covers 15,890 km², which is 2.4x larger than greater Rio de Janeiro at 6,744 km². The Rio de Janeiro metro area is also more populous, with 13.5 million people compared to 6.2 million.
Miami has a population density of 3,077 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 1.8 times more people per square kilometer.
This comparison spans continents — Miami in North America versus Rio de Janeiro in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Miami has a tropical monsoon climate while Rio de Janeiro experiences tropical savanna conditions. When it's noon in Rio de Janeiro, it's 10:00 AM in Miami — a 2-hour time difference.
Size Ratio
Miami fits inside Rio de Janeiro ~8 times
Density Gap
Rio de Janeiro is 1.8x more densely populated
History
Rio de Janeiro is ~331 years older
The straight-line distance from Miami to Rio de Janeiro is 6,722 km (4,177 miles), with an estimated flight time of ~8h 24m. See full distance details, including timezone difference and city facts.
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