Miami
143 km²
Osaka
225 km²
USA
Japan
Area Comparison
Miami is 1.6x smaller than Osaka
Population Comparison
Miami has 6.3x fewer people than Osaka
Osaka is significantly larger, covering 1.6 times the area of Miami. Osaka spans 225 km² (87 mi²) while Miami covers 143 km² (55 mi²) — a difference of 82 km².
To put Miami's size in perspective, its area of 143 km² is about 1.2x the size of San Francisco. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
In more relatable units, Miami's 143 km² is about 20,000 American football fields, 71 times the area of Monaco, or 42 times the area of Central Park. Osaka works out to about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Miami is a coastal city in the U.S. state of Florida. It is the second-most populous city proper in Florida, with a population of 442,241 at the 2020 census. The Miami metropolitan area in South Florida has an estimated 6.39 million residents, ranking as the fifth-largest metropolitan area in the Southeast and eighth-largest metropolitan area in the United States. Miami has the third-largest skyline in the U.S. with over 300 high-rises, 70 of which exceed 491 ft (150 m).
Known as "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 boasts the third-largest skyline in the U.S. with over 300 high-rises, 70 of them topping 491 feet
Osaka is a designated city in the Kansai region of Honshu in Japan. It is the capital of and most populous city in Osaka Prefecture, and the third-most populous city in Japan, following the special wards of Tokyo and Yokohama. With an estimated population of 2,816,247 as of October 1, 2025 and a population density of about 12,505 people per square kilometer, it is the largest component of the Keihanshin Metropolitan Area, the second-largest metropolitan area in Japan and the 10th-largest urban…
Also known as "Nation's Kitchen", Osaka has an area of 225 km² and is home to 2.8 million people. The city dates back to 645. Visitors come for Osaka Castle, Dotonbori district, Universal Studios Japan, and much more. Getting around is easy with the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
Looking beyond city limits, the Miami metropolitan area covers 15,890 km², which is 1.2x larger than greater Osaka at 13,228 km². The Osaka metro area is also more populous, with 19.3 million people compared to 6.2 million.
Miami has a population density of 3,077 people per km² — a moderately dense city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is dramatically more crowded, with 4.0x the population density.
This comparison spans continents — Miami in North America versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Miami has a tropical monsoon climate while Osaka experiences humid subtropical conditions. When it's noon in Osaka, it's midnight in Miami — a 14-hour time difference.
Density Gap
Osaka is 4.0x more densely populated
Time Difference
14 hours apart
History
Osaka is ~1,251 years older
Miami covers 143 km². Cities with a similar urban footprint include Minneapolis (149 km²), Brussels (161 km²), San Francisco (121 km²), Washington D.C. (177 km²), or Vancouver (115 km²).
Osaka covers 225 km². Cities with a similar urban footprint include Amsterdam (219 km²), Boston (232 km²), Helsinki (214 km²), Kuala Lumpur (243 km²), or Buenos Aires (203 km²).
The straight-line distance from Miami to Osaka is 12,313 km (7,651 miles), with an estimated flight time of ~14h 59m.
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