Auckland
559 km²
Hanoi
3,359 km²
New Zealand
Vietnam
Area Comparison
Auckland is 6.0x smaller than Hanoi
Population Comparison
Auckland has 5.5x fewer people than Hanoi
Hanoi is significantly larger, covering 6.0 times the area of Auckland. Hanoi spans 3,359 km² (1,297 mi²) while Auckland covers 559 km² (216 mi²) — a difference of 2,800 km². You could fit Auckland inside Hanoi approximately 6 times.
To put Auckland's size in perspective, its area of 559 km² is roughly the same size as Seoul. Meanwhile, Hanoi at 3,359 km² is about 1.2x smaller than Rhode Island.
In more relatable units, Auckland's 559 km² is about 78,000 American football fields, 160 times the area of Central Park, or 9 times the area of Manhattan. For Hanoi, that's about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris.
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.
Hanoi is the capital and second-most populous municipality of Vietnam. It encompasses an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. Hanoi had the second-highest gross regional domestic product of all Vietnamese provinces and municipalities at US$48 billion in 2023, behind Ho Chi Minh City. It hosts 78 foreign embassies, the headquarters of the Vietnam People's Army (VPA), its Vietnam National University system, and other governmental organizations.
Also known as "City Between Rivers", Hanoi has an area of 3,359 km² and is home to 8.1 million people. Its history stretches back to 1010. Visitors come for Hoan Kiem Lake, Old Quarter, Temple of Literature, and much more. Getting around is easy with the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Auckland has a population density of 2,630 people per km² — a moderately dense city. Hanoi, with 2,397 people per km², is a moderately dense city. Both cities have comparable density, though Auckland is slightly more compact.
Size Ratio
Auckland fits inside Hanoi ~6 times
History
Hanoi is ~830 years older
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).
Hanoi covers 3,359 km². Cities with a similar urban footprint include Karachi (3,527 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
The straight-line distance from Auckland to Hanoi is 9,668 km (6,007 miles), with an estimated flight time of ~11h 52m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.