Atlanta
348 km²
Osaka
225 km²
United States
Japan
Area Comparison
Atlanta is 1.5x larger than Osaka
Population Comparison
Atlanta has 5.5x fewer people than Osaka
Yes — Atlanta is 1.5x larger than Osaka by area. Atlanta spans 348 km² (134 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 123 km².
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
In more relatable units, Atlanta's 348 km² is about 49,000 American football fields, 170 times the area of Monaco, or 100 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.
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. With a population of 498,715 at the 2020 census and an estimated 520,070 in 2024, Atlanta is the eighth-most populous city in the Southeast and the 36th-most populous city in the United States. Atlanta is classified as a Beta+ global city.
Known as "The ATL", Atlanta covers 348 km² with a population of 0.5 million. The city was established in 1845. Atlanta is known for Coca-Cola headquarters, Hartsfield-Jackson Airport, Georgia Aquarium, among other attractions.
Atlanta is Georgia's capital and most populous city, with around 520,070 residents estimated in 2024.
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…
Often called "Nation's Kitchen", Osaka has an area of 225 km² and is home to 2.8 million people. It was established in 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.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is dramatically more crowded, with 8.5x the population density.
Density Gap
Osaka is 8.5x more densely populated
History
Osaka is ~1,200 years older
Atlanta covers 348 km². Cities with a similar urban footprint include Dhaka (368 km²), Seattle (369 km²), Philadelphia (370 km²), Portland (376 km²), or Munich (311 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 Atlanta to Osaka is 11,345 km (7,049 miles), with an estimated flight time of ~13h 51m.
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