# Distance from Bintulu (BTU) to Sofia (SOF)

> 9,740 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,740 km / 6,052 mi / 5,259 nm
- **Estimated flight time**: 12h
- **Heading**: 313° (northwest)
- **Return heading**: 88° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Malaysia) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -5h (When it's 12:37 in Bintulu, it's 07:37 in Sofia)
- **Elevation difference**: 1,668 ft (SOF is higher than BTU)

## Airports

### [Bintulu Airport (BTU)](https://www.flightduration.online/airport/btu-bintulu-bintulu-airport/1ef266df-fb16-60c8-81ac-06bb2780ed98)

- City: Bintulu, Malaysia
- ICAO: WBGB
- Timezone: Asia/Kuching
- Coordinates: 3.120000, 113.020000
- Elevation: 74 ft

### [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

## 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 12:37 in Bintulu, it's 07:37 in Sofia.
The 5-hour time difference may cause some jet lag.

## Related

- [Bintulu Airport (BTU)](https://www.flightduration.online/airport/btu-bintulu-bintulu-airport/1ef266df-fb16-60c8-81ac-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)