# Distance from London (LHR) to Parapat-Sumatra Island (SIW)

> 10,422 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,422 km / 6,476 mi / 5,628 nm
- **Estimated flight time**: 13h
- **Heading**: 81° (east)
- **Return heading**: 322° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Indonesia
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 05:08 in London, it's 11:08 in Parapat-Sumatra Island)
- **Elevation difference**: 2,998 ft (SIW 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

### [Parapat Airport (SIW)](https://www.flightduration.online/airport/siw-parapat-sumatra-island-parapat-airport/1ef266df-fd72-6db2-b9aa-06bb2780ed98)

- City: Parapat-Sumatra Island, Indonesia
- ICAO: WIMP
- Timezone: Asia/Jakarta
- Coordinates: 2.670000, 98.930000
- Elevation: 3,081 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 05:08 in London, it's 11:08 in Parapat-Sumatra Island.
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)
- [Parapat Airport (SIW)](https://www.flightduration.online/airport/siw-parapat-sumatra-island-parapat-airport/1ef266df-fd72-6db2-b9aa-06bb2780ed98)
- [Flight duration calculator](/#calculator)