# Distance from Ketapang-Borneo Island (KTG) to Sofia (SOF)

> 9,863 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,863 km / 6,129 mi / 5,326 nm
- **Estimated flight time**: 13h
- **Heading**: 313° (northwest)
- **Return heading**: 94° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 00:16 in Ketapang-Borneo Island, it's 20:16 in Sofia)
- **Elevation difference**: 1,696 ft (SOF is higher than KTG)

## Airports

### [Ketapang(Rahadi Usman) Airport (KTG)](https://www.flightduration.online/airport/ktg-ketapang-borneo-island-ketapangrahadi-usman-airport/1ef266df-fd92-6c5c-99b9-06bb2780ed98)

- City: Ketapang-Borneo Island, Indonesia
- ICAO: WIOK
- Timezone: Asia/Pontianak
- Coordinates: -1.820000, 109.960000
- Elevation: 46 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 00:16 in Ketapang-Borneo Island, it's 20:16 in Sofia.
The 4-hour time difference may cause some jet lag.

## Related

- [Ketapang(Rahadi Usman) Airport (KTG)](https://www.flightduration.online/airport/ktg-ketapang-borneo-island-ketapangrahadi-usman-airport/1ef266df-fd92-6c5c-99b9-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)