Auckland
559 km²
Rio de Janeiro
1,221 km²
New Zealand
Brazil
Area Comparison
Auckland is 2.2x smaller than Rio de Janeiro
Population Comparison
Auckland has 4.6x fewer people than Rio de Janeiro
Rio de Janeiro is significantly larger, covering 2.2 times the area of Auckland. Rio de Janeiro spans 1,221 km² (471 mi²) while Auckland covers 559 km² (216 mi²) — a difference of 662 km². You could fit Auckland inside Rio de Janeiro approximately 2 times.
To put Auckland's size in perspective, its area of 559 km² is roughly the same size as Seoul. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Auckland's footprint is roughly about 78,000 American football fields, 160 times the area of Central Park, or 9 times the area of Manhattan — pick whichever unit feels intuitive. 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.
Auckland is a large metropolitan city in the North Island of New Zealand. It has an urban population of about 1,547,200. It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and the islands of the Hauraki Gulf, and which has a total population of 1,816,000 as of June 2025. It is the most populous city of New Zealand and the fifth-most populous city in Oceania.
Known as "City of Sails", Auckland covers 559 km² with a population of 1.5 million. The city was established in 1840. Auckland is known for Sky Tower, Hauraki Gulf islands, Auckland Harbour Bridge, among other attractions.
Auckland is the most populous city in New Zealand and the fifth-most populous city in all of Oceania.
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.
Auckland has a population density of 2,630 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 2.1 times more people per square kilometer.
Size Ratio
Auckland fits inside Rio de Janeiro ~2 times
Density Gap
Rio de Janeiro is 2.1x more densely populated
History
Rio de Janeiro is ~275 years older
Auckland covers 559 km². Cities with a similar urban footprint include Budapest (525 km²), Mumbai (603 km²), Madrid (604 km²), Warsaw (517 km²), or Seoul (605 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 Auckland to Rio de Janeiro is 12,271 km (7,625 miles), with an estimated flight time of ~14h 56m.
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