Distance from Seoul to Hanoi
🇰🇷 Seoul, South Korea → 🇻🇳 Hanoi, Vietnam
The distance between Seoul and Hanoi is 2,742 kilometres (1,704 miles) measured as a great-circle (straight) line. Flying out of Incheon International Airport (ICN), the initial heading is roughly southwest (234°), and a typical nonstop flight takes around 3h 56m. Actual flight paths and times vary with routing, winds and air-traffic constraints.
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
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
Frequently asked questions
- How far is Hanoi from Seoul?
- 2,742 km (1,704 miles) in a straight line.
- How long is the flight from Seoul to Hanoi?
- About 3h 56m nonstop, at an average 800 km/h cruising speed plus taxi and climb time.
- What direction is Hanoi from Seoul?
- Hanoi lies roughly to the southwest of Seoul (initial bearing 234°).
- Which airports serve this route?
- Seoul: Incheon International Airport (ICN). Hanoi: Noi Bai International Airport (HAN).
More distances from Seoul
See the country profiles for South Korea and Vietnam, or open the Asia distance calculator.