Distance from Hanoi to Seoul
🇻🇳 Hanoi, Vietnam → 🇰🇷 Seoul, South Korea
The distance between Hanoi and Seoul is 2,742 kilometres (1,704 miles) measured as a great-circle (straight) line. Flying out of Noi Bai International Airport (HAN), the initial heading is roughly northeast (43°), and a typical nonstop flight takes around 3h 56m. Actual flight paths and times vary with routing, winds and air-traffic constraints.
Hanoi
Vietnam
Vietnam's atmospheric capital, blending tree-lined French boulevards, ancient temples and a frenetic Old Quarter near Hoan Kiem Lake.
Top sights: Hoan Kiem Lake, Old Quarter, Temple of Literature, Ho Chi Minh Mausoleum, Train Street
Seoul
South Korea
South Korea's dynamic capital, a high-tech metropolis where royal palaces sit beside neon shopping districts and a thriving K-pop culture.
Top sights: Gyeongbokgung Palace, N Seoul Tower, Bukchon Hanok Village, Myeongdong, Dongdaemun, Han River parks
Frequently asked questions
- How far is Seoul from Hanoi?
- 2,742 km (1,704 miles) in a straight line.
- How long is the flight from Hanoi to Seoul?
- About 3h 56m nonstop, at an average 800 km/h cruising speed plus taxi and climb time.
- What direction is Seoul from Hanoi?
- Seoul lies roughly to the northeast of Hanoi (initial bearing 43°).
- Which airports serve this route?
- Hanoi: Noi Bai International Airport (HAN). Seoul: Incheon International Airport (ICN).
More distances from Hanoi
See the country profiles for Vietnam and South Korea, or open the Asia distance calculator.