# Distance from Balikpapan-Borneo Island (BPN) to Sofia (SOF)

> 10,388 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,388 km / 6,455 mi / 5,609 nm
- **Estimated flight time**: 13h
- **Heading**: 313° (northwest)
- **Return heading**: 89° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -5h (When it's 06:07 in Balikpapan-Borneo Island, it's 01:07 in Sofia)
- **Elevation difference**: 1,730 ft (SOF is higher than BPN)

## Airports

### [Sepinggan International Airport (BPN)](https://www.flightduration.online/airport/bpn-balikpapan-borneo-island-sepinggan-international-airport/1ef266df-f99b-6054-8a10-06bb2780ed98)

- City: Balikpapan-Borneo Island, Indonesia
- ICAO: WALL
- Timezone: Asia/Makassar
- Coordinates: -1.270000, 116.890000
- Elevation: 12 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 06:07 in Balikpapan-Borneo Island, it's 01:07 in Sofia.
The 5-hour time difference may cause some jet lag.

## Related

- [Sepinggan International Airport (BPN)](https://www.flightduration.online/airport/bpn-balikpapan-borneo-island-sepinggan-international-airport/1ef266df-f99b-6054-8a10-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)