# Distance from Sofia (SOF) to Santan-Borneo Island (TSX)

> 10,344 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,344 km / 6,428 mi / 5,586 nm
- **Estimated flight time**: 13h
- **Heading**: 87° (east)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Indonesia
- **Intercontinental**: Europe → Asia
- **Time difference**: +5h (When it's 06:44 in Sofia, it's 11:44 in Santan-Borneo Island)
- **Elevation difference**: 1,621 ft (TSX is lower than SOF)

## Airports

### [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

### [Tanjung Santan Airport (TSX)](https://www.flightduration.online/airport/tsx-santan-borneo-island-tanjung-santan-airport/1ef266df-f9ad-6b82-b5e2-06bb2780ed98)

- City: Santan-Borneo Island, Indonesia
- ICAO: WALT
- Timezone: Asia/Makassar
- Coordinates: -0.090000, 117.450000
- Elevation: 121 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 06:44 in Sofia, it's 11:44 in Santan-Borneo Island.
The 5-hour time difference may cause some jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Tanjung Santan Airport (TSX)](https://www.flightduration.online/airport/tsx-santan-borneo-island-tanjung-santan-airport/1ef266df-f9ad-6b82-b5e2-06bb2780ed98)
- [Flight duration calculator](/#calculator)