# Distance from Walla Walla (ALW) to Sofia (SOF)

> 9,442 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,442 km / 5,867 mi / 5,098 nm
- **Estimated flight time**: 12h
- **Heading**: 27° (north northeast)
- **Return heading**: 334° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 22:48 in Walla Walla, it's 08:48 in Sofia)
- **Elevation difference**: 548 ft (SOF is higher than ALW)

## Airports

### [Walla Walla Regional Airport (ALW)](https://www.flightduration.online/airport/alw-walla-walla-walla-walla-regional-airport/1ef266df-0e22-6050-8e95-06bb2780ed98)

- City: Walla Walla, United States
- ICAO: KALW
- Timezone: America/Los_Angeles
- Coordinates: 46.090000, -118.280000
- Elevation: 1,194 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 22:48 in Walla Walla, it's 08:48 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Walla Walla Regional Airport (ALW)](https://www.flightduration.online/airport/alw-walla-walla-walla-walla-regional-airport/1ef266df-0e22-6050-8e95-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)