Distance from Seoul to Hanoi
The straight-line distance from Seoul, South Korea to Hanoi, Vietnam is 2,742 km (1,704 miles).Hanoi is SW of Seoul.
Distance (km)
2,742
straight line
Distance (miles)
1,704
straight line
Flight Time
3 hr 54 min
estimated direct
Direction
SW
234° bearing
Transport Comparison: Seoul to Hanoi
| Mode | Estimated Time | Distance | Notes |
|---|---|---|---|
| Flight | 3 hr 54 min | 2,742 km | Direct flight at 800 km/h avg cruise speed |
| Driving | 44 hr 36 min | ~3,565 km | Avg 80 km/h, +30% route factor |
All times are estimates based on straight-line distance. Actual travel times vary by route, stops, and conditions.
Seoul to Hanoi: Key Details
| From | Seoul, South Korea |
| To | Hanoi, Vietnam |
| Straight-line Distance | 2,742 km (1,704 miles) |
| Bearing | 234° (SW) |
| Coordinates (Seoul) | 37.5665°, 126.9780° |
| Coordinates (Hanoi) | 21.0278°, 105.8342° |
Country Profiles
Frequently Asked Questions
How far is Seoul from Hanoi?
The straight-line (as the crow flies) distance from Seoul to Hanoi is 2,742 km (1,704 miles). Hanoi is SW of Seoul.
How long is the flight from Seoul to Hanoi?
A direct flight from Seoul to Hanoi takes approximately 3 hr 54 min, based on an average cruising speed of 800 km/h plus time for takeoff and landing.
How long does it take to drive from Seoul to Hanoi?
Driving from Seoul to Hanoi takes approximately 44 hr 36 min. This estimate assumes an average speed of 80 km/h with a 30% route factor for indirect roads. Actual time will vary based on road conditions, traffic, and the specific route taken.
What direction is Hanoi from Seoul?
Hanoi is SW (234 degrees) from Seoul.
What is the distance from Hanoi to Seoul?
The distance from Hanoi to Seoul is the same: 2,742 km (1,704 miles). Distance between two points is the same in either direction.
Other Distance Calculations
Distances calculated using the Haversine formula (great-circle distance). Travel time estimates are approximate.
Coordinates sourced from public geographic databases.