Auckland
559 km²
Portland
376 km²
New Zealand
United States
Area Comparison
Auckland is 1.5x larger than Portland
Population Comparison
Auckland has 2.3x more people than Portland
In terms of area, Auckland is 1.5x the size of Portland. Auckland spans 559 km² (216 mi²) while Portland covers 376 km² (145 mi²) — a difference of 183 km².
To put Auckland's size in perspective, its area of 559 km² is roughly the same size as Seoul. Meanwhile, Portland at 376 km² is about 1.6x smaller than Seoul.
Picture Auckland another way: its area is large enough to fit about 78,000 American football fields, 160 times the area of Central Park, or 9 times the area of Manhattan. Portland, by comparison, equals about 53,000 American football fields, 190 times the area of Monaco, or 110 times the area of Central Park.
Auckland is a large metropolitan city in the North Island of New Zealand. It has an urban population of about 1,547,200. It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and the islands of the Hauraki Gulf, and which has a total population of 1,816,000 as of June 2025. It is the most populous city of New Zealand and the fifth-most populous city in Oceania.
Known as "City of Sails", Auckland covers 559 km² with a population of 1.5 million. The city was established in 1840. Auckland is known for Sky Tower, Hauraki Gulf islands, Auckland Harbour Bridge, among other attractions.
Auckland is the most populous city in New Zealand and the fifth-most populous city in all of Oceania.
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.
Auckland has a population density of 2,630 people per km² — a moderately dense city. Portland, with 1,729 people per km², is a relatively spread-out city. Auckland is noticeably denser, packing 1.5 times more people per square kilometer.
Density Gap
Auckland is 1.5x more densely populated
Auckland covers 559 km². Cities with a similar urban footprint include Budapest (525 km²), Mumbai (603 km²), Madrid (604 km²), Warsaw (517 km²), or Seoul (605 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 Auckland to Portland is 11,092 km (6,892 miles), with an estimated flight time of ~13h 33m.
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