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
| 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.
| 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° |
The straight-line (as the crow flies) distance from Seoul to Hanoi is 2,742 km (1,704 miles). Hanoi is SW of Seoul.
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.
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.
Hanoi is SW (234 degrees) from 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.
Distances calculated using the Haversine formula (great-circle distance). Travel time estimates are approximate.
Coordinates sourced from public geographic databases.