Phoenix
1,341 km²
Rio de Janeiro
1,221 km²
United States
Brazil
Area Comparison
Phoenix is 1.1x larger than Rio de Janeiro
Population Comparison
Phoenix has 4.2x fewer people than Rio de Janeiro
Phoenix is significantly larger, covering 1.1 times the area of Rio de Janeiro. Phoenix spans 1,341 km² (518 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 120 km².
To put Phoenix's size in perspective, its area of 1,341 km² is about 1.2x smaller than London. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
In more relatable units, Phoenix's 1,341 km² is about 188,000 American football fields, 23 times the area of Manhattan, or 13 times the area of Paris. 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.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital. The Phoenix metropolitan area, with an estimated 5.19 million residents, is the tenth-most populous metropolitan area in the U.S. and the most populous in the Mountain states and Southwest.
Known as "Valley of the Sun", Phoenix covers 1,341 km² with a population of 1.6 million. The city was established in 1868. Phoenix is known for Camelback Mountain, Desert Botanical Garden, Heard Museum, among other attractions.
Phoenix is the most populous U.S. state capital and the fifth-largest city in the country with 1.6 million residents.
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.
Nicknamed "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.
Phoenix has a population density of 1,201 people per km² — a relatively spread-out city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Rio de Janeiro is dramatically more crowded, with 4.6x the population density.
Density Gap
Rio de Janeiro is 4.6x more densely populated
History
Rio de Janeiro is ~303 years older
Phoenix covers 1,341 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Rome (1,285 km²), Rio de Janeiro (1,221 km²), Delhi (1,484 km²), or Mexico City (1,485 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 Phoenix to Rio de Janeiro is 9,611 km (5,972 miles), with an estimated flight time of ~11h 48m.
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