Istanbul
5,461 km²
Osaka
225 km²
Turkey
Japan
Area Comparison
Istanbul is 24.3x larger than Osaka
Population Comparison
Istanbul has 5.6x more people than Osaka
Yes — Istanbul is 24.3x larger than Osaka by area. Istanbul spans 5,461 km² (2,109 mi²) while Osaka covers 225 km² (87 mi²) — a difference of 5,236 km². You could fit Osaka inside Istanbul approximately 24 times.
To put Istanbul's size in perspective, its area of 5,461 km² is about 1.2x smaller than Shanghai. Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
In more relatable units, Istanbul's 5,461 km² is about 765,000 American football fields, 92 times the area of Manhattan, or 52 times the area of Paris. Osaka works out to about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Istanbul is the largest city in Turkey, constituting the country's economic, cultural, and historical center. With a population of over 15 million, it is home to 18% of the population of Turkey. Istanbul is among the largest cities in Europe and in the world by population. It is a city on two continents; about two-thirds of its population live in Europe and the rest in Asia.
Known as "City on Two Continents", Istanbul covers 5,461 km² with a population of 15.5 million. The city was founded around 660 BC. Istanbul is known for Hagia Sophia, Blue Mosque, Grand Bazaar, among other attractions. The city's main transit system is the Istanbul Metro.
Istanbul is one of the only major cities to span two continents, with about two-thirds of its population living in Europe and the rest in Asia.
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…
Nicknamed "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 Osaka metropolitan area covers 13,228 km², which is 2.4x larger than greater Istanbul at 5,461 km². The Osaka metro area is also more populous, with 19.3 million people compared to 15.5 million.
Istanbul has a population density of 2,831 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 4.3x the population density.
This comparison spans continents — Istanbul in Europe versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Istanbul has a oceanic climate while Osaka experiences humid subtropical conditions. When it's noon in Osaka, it's 6:00 AM in Istanbul — a 6-hour time difference.
Size Ratio
Osaka fits inside Istanbul ~24 times
Density Gap
Osaka is 4.3x more densely populated
Time Difference
6 hours apart
History
Istanbul is ~1,305 years older
Istanbul covers 5,461 km². Cities with a similar urban footprint include Shanghai (6,341 km²), Perth (6,417 km²), Dubai (4,114 km²), Guangzhou (7,434 km²), or Karachi (3,527 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 Istanbul to Osaka is 8,744 km (5,433 miles), with an estimated flight time of ~10h 47m.
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