Distance from Hanoi to Seoul
2,742 km (1,704 miles) — straight-line distance as the crow flies
2,742 km
Kilometers
1,704 miles
Miles
~3h 44m
Est. Flight
2h
Time Difference
Hanoi
VietnamSeoul
South KoreaThe distance between Hanoi and Seoul is roughly equivalent to 7 hours of driving, though the straight-line distance as the crow flies is significantly shorter than any road route.
Hanoi is known for Hoàn Kiếm Lake and Old Quarter (36 Streets), while Seoul is famous for Gyeongbokgung Palace and Gangnam district.
In terms of city area, Hanoi is 5.6x larger than Seoul. You can compare their sizes visually on our side-by-side map comparison.
Compare Hanoi and Seoul side by side
Open Map ComparisonFrequently Asked Questions
How far is Hanoi from Seoul?
The straight-line (as the crow flies) distance from Hanoi to Seoul is 2,742 km (1,704 miles).
How long is the flight from Hanoi to Seoul?
A direct flight would take approximately 3h 44m, based on an average commercial jet speed of 850 km/h.
Is Hanoi bigger than Seoul?
Hanoi is larger at 3,359 km², compared to 605 km².