# Distance from London (LHR) to Semarang-Java Island (SRG)

> 12,049 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,049 km / 7,487 mi / 6,506 nm
- **Estimated flight time**: 15h
- **Heading**: 78° (east northeast)
- **Return heading**: 322° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United Kingdom) → Indonesia
- **Intercontinental**: Europe → Asia
- **Time difference**: +6h (When it's 22:26 in London, it's 04:26 in Semarang-Java Island)
- **Elevation difference**: 73 ft (SRG is lower 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

### [Achmad Yani Airport (SRG)](https://www.flightduration.online/airport/srg-semarang-java-island-achmad-yani-airport/1ef266df-fa8e-6a56-a1ec-06bb2780ed98)

- City: Semarang-Java Island, Indonesia
- ICAO: WARS
- Timezone: Asia/Jakarta
- Coordinates: -6.970000, 110.380000
- Elevation: 10 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 22:26 in London, it's 04:26 in Semarang-Java 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)
- [Achmad Yani Airport (SRG)](https://www.flightduration.online/airport/srg-semarang-java-island-achmad-yani-airport/1ef266df-fa8e-6a56-a1ec-06bb2780ed98)
- [Flight duration calculator](/#calculator)