# Distance from Samarinda-Borneo Island (AAP) to Sofia (SOF)

> 10,350 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,350 km / 6,431 mi / 5,589 nm
- **Estimated flight time**: 13h
- **Heading**: 313° (northwest)
- **Return heading**: 88° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -5h (When it's 10:54 in Samarinda-Borneo Island, it's 05:54 in Sofia)
- **Elevation difference**: 1,669 ft (SOF is higher than AAP)

## Airports

### [Aji Pangeran Tumenggung Pranoto International Airport (AAP)](https://www.flightduration.online/airport/aap-samarinda-borneo-island-aji-pangeran-tumenggung-pranoto-international-airport/1ef266df-f9a8-6c68-8701-06bb2780ed98)

- City: Samarinda-Borneo Island, Indonesia
- ICAO: WALS
- Timezone: Asia/Makassar
- Coordinates: -0.380000, 117.250000
- Elevation: 73 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 10:54 in Samarinda-Borneo Island, it's 05:54 in Sofia.
The 5-hour time difference may cause some jet lag.

## Related

- [Aji Pangeran Tumenggung Pranoto International Airport (AAP)](https://www.flightduration.online/airport/aap-samarinda-borneo-island-aji-pangeran-tumenggung-pranoto-international-airport/1ef266df-f9a8-6c68-8701-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)