# Distance from Buka Island (BUA) to Sofia (SOF)

> 13,691 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,691 km / 8,507 mi / 7,393 nm
- **Estimated flight time**: 17h
- **Heading**: 319° (northwest)
- **Return heading**: 63° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Papua New Guinea) → Bulgaria
- **Intercontinental**: Oceania → Europe
- **Time difference**: -7h (When it's 12:15 in Buka Island, it's 05:15 in Sofia)
- **Elevation difference**: 1,731 ft (SOF is higher than BUA)

## Airports

### [Buka Airport (BUA)](https://www.flightduration.online/airport/bua-buka-island-buka-airport/1ef266de-9b02-6a02-9ca9-06bb2780ed98)

- City: Buka Island, Papua New Guinea
- ICAO: AYBK
- Timezone: Pacific/Port_Moresby
- Coordinates: -5.420000, 154.670000
- Elevation: 11 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 12:15 in Buka Island, it's 05:15 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Buka Airport (BUA)](https://www.flightduration.online/airport/bua-buka-island-buka-airport/1ef266de-9b02-6a02-9ca9-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)