# Distance from Attopeu (AOU) to London (LHR)

> 9,873 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,873 km / 6,135 mi / 5,331 nm
- **Estimated flight time**: 13h
- **Heading**: 323° (northwest)
- **Return heading**: 67° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Laos) → United Kingdom
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 19:54 in Attopeu, it's 13:54 in London)
- **Elevation difference**: 261 ft (LHR is lower than AOU)

## Airports

### [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)

- City: Attopeu, Laos
- ICAO: VLAP
- Timezone: Asia/Vientiane
- Coordinates: 14.810000, 106.820000
- Elevation: 344 ft

### [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

## 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 19:54 in Attopeu, it's 13:54 in London.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Attopeu Airport (AOU)](https://www.flightduration.online/airport/aou-attopeu-attopeu-airport/1ef266df-f273-65c4-a0a9-06bb2780ed98)
- [London Heathrow Airport (LHR)](https://www.flightduration.online/airport/lhr-london-london-heathrow-airport/1ef266de-c45a-6b7a-a3bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)