Athens
39 km²
Rio de Janeiro
1,221 km²
Greece
Brazil
Area Comparison
Athens is 31.3x smaller than Rio de Janeiro
Population Comparison
Athens has 10.5x fewer people than Rio de Janeiro
In terms of area, Rio de Janeiro is 31.3x the size of Athens. Rio de Janeiro spans 1,221 km² (471 mi²) while Athens covers 39 km² (15 mi²) — a difference of 1,182 km². You could fit Athens inside Rio de Janeiro approximately 31 times.
To put Athens's size in perspective, its area of 39 km² is about 1.5x smaller than Manhattan. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Athens's footprint is roughly about 5,500 American football fields, 80 times the area of Vatican City, or 19 times the area of Monaco — pick whichever unit feels intuitive. Rio de Janeiro works out to about 171,000 American football fields, 21 times the area of Manhattan, or 12 times the area of Paris.
Athens is the capital and largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica region and is the southernmost capital on the European mainland. With its urban area's population numbering over 3.6 million, it is the eighth-largest urban area in the European Union (EU).
Known as "Cradle of Western Civilization", Athens covers 39 km² with a population of 0.6 million. The city was founded around 7000 BC. Athens is known for Acropolis of Athens, Parthenon, Plaka neighborhood, among other attractions.
Athens is the southernmost capital on the European mainland and capital of the Attica region.
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. The city dates back to 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.
Athens has a population density of 16,410 people per km² — an extremely dense urban environment. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Athens is noticeably denser, packing 3.0 times more people per square kilometer.
Athens has a Mediterranean climate climate while Rio de Janeiro experiences tropical savanna conditions.
Size Ratio
Athens fits inside Rio de Janeiro ~31 times
Density Gap
Athens is 3.0x more densely populated
History
Athens is ~8,565 years older
Athens covers 39 km². Cities with a similar urban footprint include Manila (43 km²), Tel Aviv (52 km²), Zurich (88 km²), Copenhagen (91 km²), or Lisbon (100 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 Athens to Rio de Janeiro is 9,719 km (6,039 miles), with an estimated flight time of ~11h 56m.
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