# Distance from London (LHR) to Thakhek (THK)

> 9,513 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,513 km / 5,911 mi / 5,137 nm
- **Estimated flight time**: 12h
- **Heading**: 67° (east northeast)
- **Return heading**: 323° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Laos
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 22:33 in London, it's 04:33 in Thakhek)
- **Elevation difference**: 366 ft (THK 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

### [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)

- City: Thakhek, Laos
- ICAO: VLTK
- Timezone: Asia/Bangkok
- Coordinates: 17.400000, 104.800000
- Elevation: 449 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 22:33 in London, it's 04:33 in Thakhek.
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)
- [Thakhek Airport (THK)](https://www.flightduration.online/airport/thk-thakhek-thakhek-airport/1ef266df-f29f-6052-be01-06bb2780ed98)
- [Flight duration calculator](/#calculator)