# Distance from Ranai-Natuna Besar Island (NTX) to Sofia (SOF)

> 9,303 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,303 km / 5,780 mi / 5,023 nm
- **Estimated flight time**: 12h
- **Heading**: 313° (northwest)
- **Return heading**: 91° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -4h (When it's 12:43 in Ranai-Natuna Besar Island, it's 08:43 in Sofia)
- **Elevation difference**: 1,735 ft (SOF is higher than NTX)

## Airports

### [Ranai Airport (NTX)](https://www.flightduration.online/airport/ntx-ranai-natuna-besar-island-ranai-airport/1ef266df-fd9a-6772-8db5-06bb2780ed98)

- City: Ranai-Natuna Besar Island, Indonesia
- ICAO: WION
- Timezone: Asia/Jakarta
- Coordinates: 3.910000, 108.390000
- Elevation: 7 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 12:43 in Ranai-Natuna Besar Island, it's 08:43 in Sofia.
The 4-hour time difference may cause some jet lag.

## Related

- [Ranai Airport (NTX)](https://www.flightduration.online/airport/ntx-ranai-natuna-besar-island-ranai-airport/1ef266df-fd9a-6772-8db5-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)