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Spain
USA
Area Comparison
Barcelona is 1.8x smaller than Washington D.C.
Population Comparison
Barcelona has 2.4x more people than Washington D.C.
Yes — Washington D.C. is 1.8x larger than Barcelona by area. Washington D.C. spans 177 km² (68 mi²) while Barcelona covers 101 km² (39 mi²) — a difference of 76 km².
To put Barcelona's size in perspective, its area of 101 km² is roughly the same size as Paris (city proper). Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..
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
Capital of the United States. Nicknamed "D.C.", Washington D.C. has an area of 177 km² and is home to 0.7 million people. It was established in 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 17.9x larger than greater Barcelona at 803 km². The Washington D.C. metro area is also more populous, with 6.3 million people compared to 5.6 million.
Barcelona has a population density of 16,436 people per km² — an extremely dense urban environment. Washington D.C., with 3,898 people per km², is a moderately dense city. Barcelona is dramatically more crowded, with 4.2x the population density.
This comparison spans continents — Barcelona in Europe versus Washington D.C. in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Barcelona has a Mediterranean climate while Washington D.C. experiences humid subtropical conditions. When it's noon in Barcelona, it's 6:00 AM in Washington D.C. — a 6-hour time difference.
Density Gap
Barcelona is 4.2x more densely populated
Time Difference
6 hours apart
History
Barcelona is ~2,020 years older
The straight-line distance from Barcelona to Washington D.C. is 6,489 km (4,032 miles), with an estimated flight time of ~8h 8m. See full distance details, including timezone difference and city facts.
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