Osaka
225 km²
Riyadh
1,798 km²
Japan
Saudi Arabia
Area Comparison
Osaka is 8.0x smaller than Riyadh
Population Comparison
Osaka has 2.5x fewer people than Riyadh
Riyadh is significantly larger, covering 8.0 times the area of Osaka. Riyadh spans 1,798 km² (694 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 1,573 km². You could fit Osaka inside Riyadh approximately 7 times.
To put Osaka's size in perspective, its area of 225 km² is roughly the same size as Amsterdam. Meanwhile, Riyadh at 1,798 km² is about 1.1x the size of London.
Osaka's footprint is roughly about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park — pick whichever unit feels intuitive. For Riyadh, that's about 252,000 American football fields, 30 times the area of Manhattan, or 17 times the area of Paris.
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…
Known as "Nation's Kitchen", 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, Universal Studios Japan, among other attractions. The city's main transit system is the Osaka Metro.
Osaka is the third-most populous city in Japan, following the special wards of Tokyo and Yokohama.
Riyadh is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the Riyadh Governorate. Located on the eastern bank of Wadi Hanifa, the current form of the metropolis largely emerged in the 1950s as an expansion of the 18th-century walled town, following the dismantling of its defensive fortifications.
Riyadh has an area of 1,798 km² and is home to 7.0 million people. Its history stretches back to 1746. Visitors come for Kingdom Centre Tower, Masmak Fortress, Al Faisaliah Tower, and much more.
Riyadh is the capital and largest city of Saudi Arabia, sitting on the eastern bank of Wadi Hanifa.
Osaka has a population density of 12,222 people per km² — an extremely dense urban environment. Riyadh, with 3,899 people per km², is a moderately dense city. Osaka is dramatically more crowded, with 3.1x the population density.
Size Ratio
Osaka fits inside Riyadh ~7 times
Density Gap
Osaka is 3.1x more densely populated
History
Osaka is ~1,101 years older
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).
Riyadh covers 1,798 km². Cities with a similar urban footprint include Houston (1,725 km²), Johannesburg (1,644 km²), Shenzhen (1,997 km²), Bogotá (1,578 km²), or London (1,572 km²).
The straight-line distance from Osaka to Riyadh is 8,377 km (5,205 miles), with an estimated flight time of ~10h 21m.
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