Hanoi
3,359 km²
Moscow
2,511 km²
Vietnam
Russia
Area Comparison
Hanoi is 1.3x larger than Moscow
Population Comparison
Hanoi has 1.6x fewer people than Moscow
Hanoi is significantly larger, covering 1.3 times the area of Moscow. Hanoi spans 3,359 km² (1,297 mi²) while Moscow covers 2,511 km² (970 mi²) — a difference of 848 km².
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Moscow at 2,511 km² is roughly the same size as Luxembourg.
In more relatable units, Hanoi's 3,359 km² is about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris. Moscow, by comparison, equals about 352,000 American football fields, 42 times the area of Manhattan, or 24 times the area of Paris.
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.
Known as "City Between Rivers", Hanoi covers 3,359 km² with a population of 8.1 million. The city was established in 1010. Hanoi is known for Hoan Kiem Lake, Old Quarter, Temple of Literature, among other attractions. The city's main transit system is the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Moscow is the capital and largest city of Russia, standing on the Moskva River in Central Russia. It has a population estimated at over 13 million residents within the city limits, over 19.1 million residents in the urban area, and over 21.5 million residents in its metropolitan area. The city covers an area of 2,511 square kilometers (970 mi2), while the urban area covers 5,891 square kilometers (2,275 mi2), and the metropolitan area covers over 26,000 square kilometers (10,000 mi2).
Also known as "Third Rome", Moscow has an area of 2,511 km² and is home to 12.5 million people. It was established in 1147. Visitors come for Red Square, Kremlin, Saint Basil's Cathedral, and much more. Getting around is easy with the Moscow Metro.
Moscow's metropolitan area covers over 26,000 square kilometers, making it one of the largest metropolitan footprints in Europe.
Looking beyond city limits, the Moscow metropolitan area covers 5,891 km², which is 1.8x larger than greater Hanoi at 3,359 km². The Moscow metro area is also more populous, with 17.1 million people compared to 8.1 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Moscow, with 4,994 people per km², is a moderately dense city. Moscow is noticeably denser, packing 2.1 times more people per square kilometer.
This comparison spans continents — Hanoi in Asia versus Moscow in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Hanoi has a humid subtropical climate while Moscow experiences humid continental conditions. Winters differ dramatically: Hanoi stays around 17°C while Moscow drops to -8°C. When it's noon in Hanoi, it's 8:00 AM in Moscow — a 4-hour time difference.
Density Gap
Moscow is 2.1x more densely populated
Time Difference
4 hours apart
History
Hanoi is ~137 years older
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).
Moscow covers 2,511 km². Cities with a similar urban footprint include Cape Town (2,455 km²), Lima (2,672 km²), Tokyo (2,194 km²), Ho Chi Minh City (2,061 km²), or Cairo (3,085 km²).
The straight-line distance from Hanoi to Moscow is 6,734 km (4,184 miles), with an estimated flight time of ~8h 25m.
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