# Distance from London (LHR) to Sayaboury (ZBY)

> 9,155 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,155 km / 5,688 mi / 4,943 nm
- **Estimated flight time**: 12h
- **Heading**: 69° (east northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Laos
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 20:44 in London, it's 02:44 in Sayaboury)
- **Elevation difference**: 1,164 ft (ZBY is higher than LHR)

## Airports

### [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)

- City: London, United Kingdom
- ICAO: EGLL
- Timezone: Europe/London
- Coordinates: 51.470000, -0.460000
- Elevation: 83 ft

### [Sayaboury Airport (ZBY)](https://www.flightduration.online/airport/zby-sayaboury-sayaboury-airport/1ef266df-f28e-6e00-acc9-06bb2780ed98)

- City: Sayaboury, Laos
- ICAO: VLSB
- Timezone: Asia/Vientiane
- Coordinates: 19.230000, 101.730000
- Elevation: 1,247 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 20:44 in London, it's 02:44 in Sayaboury.
With a 6-hour time difference, expect significant jet lag.

## Related

- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Sayaboury Airport (ZBY)](https://www.flightduration.online/airport/zby-sayaboury-sayaboury-airport/1ef266df-f28e-6e00-acc9-06bb2780ed98)
- [Flight duration calculator](/#calculator)