# Distance from Sofia (SOF) to Semarang-Java Island (SRG)

> 10,286 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,286 km / 6,392 mi / 5,554 nm
- **Estimated flight time**: 13h
- **Heading**: 97° (east)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Indonesia
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 05:54 in Sofia, it's 09:54 in Semarang-Java Island)
- **Elevation difference**: 1,732 ft (SRG is lower than SOF)

## Airports

### [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)

- City: Sofia, Bulgaria
- ICAO: LBSF
- Timezone: Europe/Sofia
- Coordinates: 42.700000, 23.410000
- Elevation: 1,742 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 05:54 in Sofia, it's 09:54 in Semarang-Java Island.
The 4-hour time difference may cause some jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [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)