# Distance from Sofia (SOF) to Seletar (XSP)

> 9,122 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,122 km / 5,668 mi / 4,925 nm
- **Estimated flight time**: 12h
- **Heading**: 95° (east)
- **Return heading**: 313° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Singapore
- **Intercontinental**: Europe → Asia
- **Time difference**: +5h (When it's 07:03 in Sofia, it's 12:03 in Seletar)
- **Elevation difference**: 1,706 ft (XSP 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

### [Seletar Airport (XSP)](https://www.flightduration.online/airport/xsp-seletar-seletar-airport/1ef266e0-00c6-607c-b6cf-06bb2780ed98)

- City: Seletar, Singapore
- ICAO: WSSL
- Timezone: Asia/Singapore
- Coordinates: 1.420000, 103.870000
- Elevation: 36 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 07:03 in Sofia, it's 12:03 in Seletar.
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)
- [Seletar Airport (XSP)](https://www.flightduration.online/airport/xsp-seletar-seletar-airport/1ef266e0-00c6-607c-b6cf-06bb2780ed98)
- [Flight duration calculator](/#calculator)