Perth
6,417 km²
Portland
376 km²
Australia
United States
Area Comparison
Perth is 17.1x larger than Portland
Population Comparison
Perth has 3.3x more people than Portland
In terms of area, Perth is 17.1x the size of Portland. Perth spans 6,417 km² (2,478 mi²) while Portland covers 376 km² (145 mi²) — a difference of 6,041 km². You could fit Portland inside Perth approximately 17 times.
To put Perth's size in perspective, its area of 6,417 km² is roughly the same size as Shanghai. Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
Perth's footprint is roughly about 899,000 American football fields, 110 times the area of Manhattan, or 61 times the area of Paris — pick whichever unit feels intuitive. Portland, by comparison, equals about 53,000 American football fields, 190 times the area of Monaco, or 110 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.
Portland is the most populous city in the U.S. state of Oregon. Located in the Pacific Northwest at the confluence of the Willamette and Columbia rivers, it is the 28th-most populous city in the United States, sixth-most populous on the West Coast, and fourth-most populous in the Pacific Northwest, with a population of 652,503 at the 2020 census. The Portland metropolitan area, with over 2.54 million residents, is the 26th-largest metropolitan area in the nation.
Often called "Rose City", Portland has an area of 376 km² and is home to 0.7 million people. Visitors come for Powell's City of Books, Voodoo Doughnut, Washington Park, and much more.
Portland sits at the confluence of the Willamette and Columbia rivers in the Pacific Northwest.
Perth has a population density of 333 people per km² — a low-density, sprawling urban area. Portland, with 1,729 people per km², is a relatively spread-out city. Portland is dramatically more crowded, with 5.2x the population density.
Size Ratio
Portland fits inside Perth ~17 times
Density Gap
Portland is 5.2x 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).
Portland covers 376 km². Cities with a similar urban footprint include Philadelphia (370 km²), Seattle (369 km²), Dhaka (368 km²), Denver (401 km²), or Atlanta (348 km²).
The straight-line distance from Perth to Portland is 14,840 km (9,221 miles), with an estimated flight time of ~17h 58m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.