The straight-line distance from Vientiane, Laos to Hanoi, Vietnam is 477 km (297 miles).Hanoi is NE of Vientiane.
Distance (km)
477
straight line
Distance (miles)
297
straight line
Flight Time
1 hr 6 min
estimated direct
Direction
NE
44° bearing
| Mode | Estimated Time | Distance | Notes |
|---|---|---|---|
| Flight | 1 hr 6 min | 477 km | Direct flight at 800 km/h avg cruise speed |
| Driving | 7 hr 48 min | ~620 km | Avg 80 km/h, +30% route factor |
| Train | 4 hr 48 min | ~572 km | Estimated, 120 km/h avg (where available) |
All times are estimates based on straight-line distance. Actual travel times vary by route, stops, and conditions.
| From | Vientiane, Laos |
| To | Hanoi, Vietnam |
| Straight-line Distance | 477 km (297 miles) |
| Bearing | 44° (NE) |
| Coordinates (Vientiane) | 17.9757°, 102.6331° |
| Coordinates (Hanoi) | 21.0278°, 105.8342° |
The straight-line (as the crow flies) distance from Vientiane to Hanoi is 477 km (297 miles). Hanoi is NE of Vientiane.
A direct flight from Vientiane to Hanoi takes approximately 1 hr 6 min, based on an average cruising speed of 800 km/h plus time for takeoff and landing.
Driving from Vientiane to Hanoi takes approximately 7 hr 48 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 NE (44 degrees) from Vientiane.
The distance from Hanoi to Vientiane is the same: 477 km (297 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.