# Distance from Sofia (SOF) to Sintang-Borneo Island (SQG)

> 9,844 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,844 km / 6,117 mi / 5,316 nm
- **Estimated flight time**: 13h
- **Heading**: 91° (east)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Indonesia
- **Intercontinental**: Europe → Asia
- **Time difference**: +4h (When it's 21:28 in Sofia, it's 01:28 in Sintang-Borneo Island)
- **Elevation difference**: 1,644 ft (SQG is lower than SOF)

## Airports

### [Sofia Airport (SOF)](https://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

### [Sintang(Susilo) Airport (SQG)](https://flightduration.online/airport/sqg-sintang-borneo-island-sintangsusilo-airport/1ef266df-fda6-6932-862d-06bb2780ed98)

- City: Sintang-Borneo Island, Indonesia
- ICAO: WIOS
- Timezone: Asia/Pontianak
- Coordinates: 0.060000, 111.470000
- Elevation: 98 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 21:28 in Sofia, it's 01:28 in Sintang-Borneo Island.
The 4-hour time difference may cause some jet lag.

## Related

- [Sofia Airport (SOF)](https://flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Sintang(Susilo) Airport (SQG)](https://flightduration.online/airport/sqg-sintang-borneo-island-sintangsusilo-airport/1ef266df-fda6-6932-862d-06bb2780ed98)
- [Flight duration calculator](/#calculator)