# Distance from Hanoi (HAN) to Sion (SIR)

> 8,944 km · estimated flight time 12h · Long-haul route.

## Summary

- **Distance**: 8,944 km / 5,557 mi / 4,829 nm
- **Estimated flight time**: 12h
- **Heading**: 316° (northwest)
- **Return heading**: 69° (east northeast)
- **Classification**: Long-haul
- **Type**: International (Vietnam) → Switzerland
- **Intercontinental**: Asia → Europe
- **Time difference**: -5h (When it's 09:24 in Hanoi, it's 04:24 in Sion)
- **Elevation difference**: 1,546 ft (SIR is higher than HAN)

## Airports

### [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

### [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)

- City: Sion, Switzerland
- ICAO: LSGS
- Timezone: Europe/Zurich
- Coordinates: 46.220000, 7.330000
- Elevation: 1,585 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 09:24 in Hanoi, it's 04:24 in Sion.
The 5-hour time difference may cause some jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Sion Airport (SIR)](https://www.flightduration.online/airport/sir-sion-sion-airport/1ef266df-5741-6844-a33f-06bb2780ed98)
- [Flight duration calculator](/#calculator)