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Spain
Japan
Area Comparison
Barcelona is 2.2x smaller than Osaka
Population Comparison
Barcelona has 1.7x fewer people than Osaka
In terms of area, Osaka is 2.2x the size of Barcelona. Osaka spans 225 km² (87 mi²) while Barcelona covers 101 km² (39 mi²) — a difference of 124 km². You could fit Barcelona inside Osaka approximately 2 times.
To put Barcelona's size in perspective, its area of 101 km² is roughly the same size as Paris (city proper). Meanwhile, Osaka at 225 km² is roughly the same size as Amsterdam.
A Mediterranean city known for Gaudi's architecture. Known as "The City of Counts", Barcelona covers 101 km² with a population of 1.7 million. The city was founded around 230 BC. Barcelona is known for Sagrada Família, Park Güell, La Rambla, among other attractions. The city's main transit system is the Barcelona Metro (TMB).
Gaudí's Sagrada Família has been under construction since 1882 and is expected to be completed around 2026
Japan's third-largest city and a culinary capital. Also known as "The Kitchen of Japan", 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, Street food culture, and much more. Getting around is easy with the Osaka Metro.
Osaka residents spend more on food per capita than any other city in Japan
Looking beyond city limits, the Osaka metropolitan area covers 13,228 km², which is 16.5x larger than greater Barcelona at 803 km². The Osaka metro area is also more populous, with 19.3 million people compared to 5.6 million.
Barcelona has a population density of 16,436 people per km² — an extremely dense urban environment. Osaka, with 12,222 people per km², is an extremely dense urban environment. Both cities have comparable density, though Barcelona is slightly more compact.
This comparison spans continents — Barcelona in Europe versus Osaka in Asia. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Barcelona has a Mediterranean climate while Osaka experiences humid subtropical conditions. When it's noon in Osaka, it's 4:00 AM in Barcelona — a 8-hour time difference.
Size Ratio
Barcelona fits inside Osaka ~2 times
Density Gap
Barcelona is 1.3x more densely populated
Time Difference
8 hours apart
History
Barcelona is ~875 years older
The straight-line distance from Barcelona to Osaka is 10,307 km (6,405 miles), with an estimated flight time of ~12h 38m. See full distance details, including timezone difference and city facts.
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