Lisbon
100 km²
Osaka
225 km²
Portugal
Japan
Area Comparison
Lisbon is 2.3x smaller than Osaka
Population Comparison
Lisbon has 5.0x fewer people than Osaka
In terms of area, Osaka is 2.3x the size of Lisbon. Osaka spans 225 km² (87 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 125 km². You could fit Lisbon inside Osaka approximately 2 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
Lisbon's footprint is roughly about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park — pick whichever unit feels intuitive. For Osaka, that's about 32,000 American football fields, 110 times the area of Monaco, or 66 times the area of Central Park.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Known as "City of Seven Hills", Lisbon covers 100 km² with a population of 0.6 million. The city was founded around 1200 BC. Lisbon is known for Belém Tower, Jerónimos Monastery, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
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. 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.
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 4.4x larger than greater Lisbon at 3,015 km². The Osaka metro area is also more populous, with 19.3 million people compared to 2.9 million.
Lisbon has a population density of 5,500 people per km² — a densely populated city. Osaka, with 12,222 people per km², is an extremely dense urban environment. Osaka is noticeably denser, packing 2.2 times more people per square kilometer.
This comparison spans continents — Lisbon in Europe versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Lisbon has a Mediterranean climate while Osaka experiences humid subtropical conditions. When it's noon in Osaka, it's 3:00 AM in Lisbon — a 9-hour time difference.
Size Ratio
Lisbon fits inside Osaka ~2 times
Density Gap
Osaka is 2.2x more densely populated
Time Difference
9 hours apart
History
Lisbon is ~1,845 years older
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 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 Lisbon to Osaka is 11,077 km (6,883 miles), with an estimated flight time of ~13h 32m.
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