Perth
6,417 km²
Washington D.C.
177 km²
Australia
USA
Area Comparison
Perth is 36.3x larger than Washington D.C.
Population Comparison
Perth has 3.1x more people than Washington D.C.
Perth is significantly larger, covering 36.3 times the area of Washington D.C.. Perth spans 6,417 km² (2,478 mi²) while Washington D.C. covers 177 km² (68 mi²) — a difference of 6,240 km². You could fit Washington D.C. inside Perth approximately 36 times.
To put Perth's size in perspective, its area of 6,417 km² is roughly the same size as Shanghai. Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..
In more relatable units, Perth's 6,417 km² is about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris. For Washington D.C., that's about 25,000 American football fields, 88 times the area of Monaco, or 52 times the area of Central Park.
Perth is the capital city of Western Australia. It is the fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth as of 2023. The world's most isolated major city by certain criteria, Perth is part of the South West Land Division of Western Australia, with most of Perth's metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp.
Known as "City of Light", Perth covers 6,417 km² with a population of 2.1 million. The city was established in 1829. Perth is known for Swan River, Kings Park, Cottesloe Beach, among other attractions.
Perth is considered the world's most isolated major city by certain criteria, sitting on Australia's west coast.
Washington, D.C., officially the District of Columbia and commonly known as simply Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River across from Virginia and shares land borders with Maryland to its north and east. It was named after George Washington, a Founding Father and the first president of the United States.
Often called "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 White House, U.S. Capitol, Lincoln Memorial, and much more. Getting around is easy with the Washington Metro.
Washington D.C. sits on the Potomac River across from Virginia and is bordered by Maryland to its north and east
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Washington D.C., with 3,898 people per km², is a moderately dense city. Washington D.C. is dramatically more crowded, with 11.7x the population density.
Size Ratio
Washington D.C. fits inside Perth ~36 times
Density Gap
Washington D.C. is 11.7x more densely populated
Perth covers 6,417 km². Cities with a similar urban footprint include Shanghai (6,341 km²), Guangzhou (7,434 km²), Istanbul (5,461 km²), Wuhan (8,569 km²), or Melbourne (9,993 km²).
Washington D.C. covers 177 km². Cities with a similar urban footprint include Stockholm (188 km²), Brussels (161 km²), Buenos Aires (203 km²), Minneapolis (149 km²), or Helsinki (214 km²).
The straight-line distance from Perth to Washington D.C. is 18,616 km (11,568 miles), with an estimated flight time of ~22h 24m.
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