# Distance from The Dalles (DLS) to Sofia (SOF)

> 9,588 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,588 km / 5,958 mi / 5,177 nm
- **Estimated flight time**: 12h
- **Heading**: 25° (north northeast)
- **Return heading**: 336° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 22:12 in The Dalles, it's 08:12 in Sofia)
- **Elevation difference**: 1,496 ft (SOF is higher than DLS)

## Airports

### [Columbia Gorge Regional/The Dalles Municipal Airport (DLS)](https://www.flightduration.online/airport/dls-the-dalles-columbia-gorge-regionalthe-dalles-municipal-airport/1ef266df-1764-66d6-bdea-06bb2780ed98)

- City: The Dalles, United States
- ICAO: KDLS
- Timezone: America/Los_Angeles
- Coordinates: 45.620000, -121.170000
- 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 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 22:12 in The Dalles, it's 08:12 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Columbia Gorge Regional/The Dalles Municipal Airport (DLS)](https://www.flightduration.online/airport/dls-the-dalles-columbia-gorge-regionalthe-dalles-municipal-airport/1ef266df-1764-66d6-bdea-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)