# Distance from Billund (BLL) to Sofia (SOF)

> 1,774 km · estimated flight time 3h · Medium-haul route.

## Summary

- **Distance**: 1,774 km / 1,103 mi / 958 nm
- **Estimated flight time**: 3h
- **Heading**: 139° (southeast)
- **Return heading**: 330° (north northwest)
- **Classification**: Medium-haul
- **Type**: International (Denmark) → Bulgaria
- **Time difference**: +1h (When it's 00:07 in Billund, it's 01:07 in Sofia)
- **Elevation difference**: 1,495 ft (SOF is higher than BLL)

## Airports

### [Billund Airport (BLL)](https://www.flightduration.online/airport/bll-billund-billund-airport/1ef266de-c7ca-6ac6-9f27-06bb2780ed98)

- City: Billund, Denmark
- ICAO: EKBI
- Timezone: Europe/Copenhagen
- Coordinates: 55.740000, 9.150000
- Elevation: 247 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 a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 00:07 in Billund, it's 01:07 in Sofia.

## Related

- [Billund Airport (BLL)](https://www.flightduration.online/airport/bll-billund-billund-airport/1ef266de-c7ca-6ac6-9f27-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)