Portland
376 km²
Sydney
12,368 km²
United States
Australia
Area Comparison
Portland is 32.9x smaller than Sydney
Population Comparison
Portland has 8.2x fewer people than Sydney
Sydney is significantly larger, covering 32.9 times the area of Portland. Sydney spans 12,368 km² (4,775 mi²) while Portland covers 376 km² (145 mi²) — a difference of 11,992 km². You could fit Portland inside Sydney approximately 32 times.
To put Portland's size in perspective, its area of 376 km² is about 1.6x smaller than Seoul. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Portland's footprint is roughly about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park — pick whichever unit feels intuitive. Sydney, by comparison, equals about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
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.
Known as "Rose City", Portland covers 376 km² with a population of 0.7 million. Portland is known for Powell's City of Books, Voodoo Doughnut, Washington Park, among other attractions.
Portland sits at the confluence of the Willamette and Columbia rivers in the Pacific Northwest.
Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 kilometres (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 kilometres (50 mi) from Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west.
Often called "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. Its history stretches back to 1788. Visitors come for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney stretches roughly 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
Portland has a population density of 1,729 people per km² — a relatively spread-out city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Portland is dramatically more crowded, with 4.0x the population density.
Size Ratio
Portland fits inside Sydney ~32 times
Density Gap
Portland is 4.0x more densely populated
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).
Sydney covers 12,368 km². Cities with a similar urban footprint include Chengdu (14,378 km²), Xi'an (10,097 km²), Melbourne (9,993 km²), Brisbane (15,826 km²), or Beijing (16,411 km²).
The straight-line distance from Portland to Sydney is 12,341 km (7,668 miles), with an estimated flight time of ~15h 1m.
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