# Distance from Unalaska (DUT) to Sofia (SOF)

> 9,232 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,232 km / 5,736 mi / 4,985 nm
- **Estimated flight time**: 12h
- **Heading**: 353° (north)
- **Return heading**: 6° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +11h (When it's 08:25 in Unalaska, it's 19:25 in Sofia)
- **Elevation difference**: 1,719 ft (SOF is higher than DUT)

## Airports

### [Unalaska Airport (DUT)](https://www.flightduration.online/airport/dut-unalaska-unalaska-airport/1ef266df-863c-64a0-a2a7-06bb2780ed98)

- City: Unalaska, United States
- ICAO: PADU
- Timezone: America/Anchorage
- Coordinates: 53.900000, -166.550000
- Elevation: 23 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 08:25 in Unalaska, it's 19:25 in Sofia.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Unalaska Airport (DUT)](https://www.flightduration.online/airport/dut-unalaska-unalaska-airport/1ef266df-863c-64a0-a2a7-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)