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Japan
USA
Area Comparison
Osaka is 1.3x larger than Washington D.C.
Population Comparison
Osaka has 4.0x more people than Washington D.C.
Osaka is significantly larger, covering 1.3 times the area of Washington D.C.. Osaka spans 225 km² (87 mi²) while Washington D.C. covers 177 km² (68 mi²) — a difference of 48 km².
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..
Japan's third-largest city and a culinary capital. Known as "The Kitchen of Japan", Osaka covers 225 km² with a population of 2.8 million. The city was established in 645. Osaka is known for Osaka Castle, Dotonbori district, Street food culture, among other attractions. The city's main transit system is the Osaka Metro.
Osaka residents spend more on food per capita than any other city in Japan
Capital of the United States. Often called "D.C.", Washington D.C. has an area of 177 km² and is home to 0.7 million people. The city dates back to 1790. Visitors come for The White House, Lincoln Memorial, Smithsonian museums, and much more. Getting around is easy with the Washington Metro.
D.C. has more free museums than any other city in the US — all 19 Smithsonian museums charge no admission
Looking beyond city limits, the Washington D.C. metropolitan area covers 14,412 km², which is 1.1x larger than greater Osaka at 13,228 km². The Osaka metro area is also more populous, with 19.3 million people compared to 6.3 million.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Washington D.C., with 3,898 people per km², is a moderately dense city. Osaka is dramatically more crowded, with 3.1x the population density.
This comparison spans continents — Osaka in Asia versus Washington D.C. in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Both cities share a humid subtropical climate, though local geography creates distinct microclimates in each. When it's noon in Osaka, it's midnight in Washington D.C. — a 14-hour time difference.
Density Gap
Osaka is 3.1x more densely populated
Time Difference
14 hours apart
History
Osaka is ~1,145 years older
The straight-line distance from Osaka to Washington D.C. is 11,173 km (6,942 miles), with an estimated flight time of ~13h 39m. See full distance details, including timezone difference and city facts.
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