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Thailand
Brazil
Area Comparison
Bangkok is 1.3x larger than Rio de Janeiro
Population Comparison
Bangkok has 1.6x more people than Rio de Janeiro
In terms of area, Bangkok is 1.3x the size of Rio de Janeiro. Bangkok spans 1,569 km² (606 mi²) while Rio de Janeiro covers 1,221 km² (471 mi²) — a difference of 348 km².
To put Bangkok's size in perspective, its area of 1,569 km² is roughly the same size as London. Meanwhile, Rio de Janeiro at 1,221 km² is about 1.3x smaller than London.
Thailand's capital and largest city. Known as "City of Angels", Bangkok covers 1,569 km² with a population of 10.5 million. The city was established in 1782. Bangkok is known for Grand Palace, Wat Arun, Floating markets, among other attractions. The city's main transit system is the BTS Skytrain & MRT.
Bangkok's full ceremonial name is 168 characters long, making it the longest city name in the world
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. It was established in 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 Bangkok metropolitan area covers 7,762 km², which is 1.2x larger than greater Rio de Janeiro at 6,744 km². The Bangkok metro area is also more populous, with 16.2 million people compared to 13.5 million.
Bangkok has a population density of 6,718 people per km² — a densely populated city. Rio de Janeiro, with 5,528 people per km², is a densely populated city. Both cities have comparable density, though Bangkok is slightly more compact.
This comparison spans continents — Bangkok in Asia versus Rio de Janeiro in South America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a tropical savanna climate, though local geography creates distinct microclimates in each. When it's noon in Bangkok, it's 2:00 AM in Rio de Janeiro — a 10-hour time difference.
Time Difference
10 hours apart
History
Rio de Janeiro is ~217 years older
The straight-line distance from Bangkok to Rio de Janeiro is 16,060 km (9,979 miles), with an estimated flight time of ~19h 24m. See full distance details, including timezone difference and city facts.
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