# Distance from Greymouth Airport (GMN) to Hanoi (HAN)

> 9,739 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,739 km / 6,051 mi / 5,259 nm
- **Estimated flight time**: 12h
- **Heading**: 302° (west northwest)
- **Return heading**: 138° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → Vietnam
- **Intercontinental**: Oceania → Asia
- **Time difference**: -5h (When it's 17:32 in Greymouth Airport, it's 12:32 in Hanoi)
- **Elevation difference**: 29 ft (HAN is higher than GMN)

## Airports

### [Greymouth Airport (GMN)](https://www.flightduration.online/airport/gmn-greymouth-airport/1ef266df-76a1-6bee-b617-06bb2780ed98)

- City: Greymouth Airport, New Zealand
- ICAO: NZGM
- Timezone: Pacific/Auckland
- Coordinates: -42.460000, 171.190000
- Elevation: 10 ft

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 17:32 in Greymouth Airport, it's 12:32 in Hanoi.
The 5-hour time difference may cause some jet lag.

## Related

- [Greymouth Airport (GMN)](https://www.flightduration.online/airport/gmn-greymouth-airport/1ef266df-76a1-6bee-b617-06bb2780ed98)
- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)