Johannesburg
1,644 km²
Portland
376 km²
South Africa
United States
Area Comparison
Johannesburg is 4.4x larger than Portland
Population Comparison
Johannesburg has 7.4x more people than Portland
In terms of area, Johannesburg is 4.4x the size of Portland. Johannesburg spans 1,644 km² (635 mi²) while Portland covers 376 km² (145 mi²) — a difference of 1,268 km². You could fit Portland inside Johannesburg approximately 4 times.
To put Johannesburg's size in perspective, its area of 1,644 km² is roughly the same size as London. Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
Johannesburg's footprint is roughly about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris — pick whichever unit feels intuitive. Portland works out to about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park.
Johannesburg, colloquially known as Jozi, Joburg or "The City of Gold", is the most populous city in South Africa. The City of Johannesburg itself has a population of 5,538,596, while the City of Johannesburg Metropolitan Municipality has a population of 6,599,190, making it one of the 100 largest urban areas in the world. Johannesburg is the provincial capital of Gauteng, the wealthiest province in South Africa, and seat of the country's highest court, the Constitutional Court.
Known as "Jozi", Johannesburg covers 1,644 km² with a population of 4.8 million. The city was established in 1886. Johannesburg is known for Apartheid Museum, Soweto township, Constitutional Court, among other attractions.
Johannesburg ranks among the world's 100 largest urban areas, with a metro population of about 6.6 million.
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.
Nicknamed "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.
Johannesburg has a population density of 2,920 people per km² — a moderately dense city. Portland, with 1,729 people per km², is a relatively spread-out city. Johannesburg is noticeably denser, packing 1.7 times more people per square kilometer.
Size Ratio
Portland fits inside Johannesburg ~4 times
Density Gap
Johannesburg is 1.7x more densely populated
Johannesburg covers 1,644 km². Cities with a similar urban footprint include Bogotá (1,578 km²), London (1,572 km²), Bangkok (1,569 km²), Houston (1,725 km²), or São Paulo (1,521 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 Johannesburg to Portland is 16,646 km (10,344 miles), with an estimated flight time of ~20h 5m.
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