# Distance from Sofia (SOF) to Port Townsend (TWD)

> 9,395 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,395 km / 5,838 mi / 5,073 nm
- **Estimated flight time**: 12h
- **Heading**: 338° (north northwest)
- **Return heading**: 24° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -10h (When it's 05:40 in Sofia, it's 19:40 in Port Townsend)
- **Elevation difference**: 1,632 ft (TWD is lower than SOF)

## Airports

### [Sofia Airport (SOF)](https://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

### [Jefferson County International Airport (TWD)](https://flightduration.online/airport/twd-port-townsend-jefferson-county-international-airport/1ef266de-f704-6788-8b1a-06bb2780ed98)

- City: Port Townsend, United States
- ICAO: K0S9
- Timezone: America/Los_Angeles
- Coordinates: 48.050000, -122.810000
- Elevation: 110 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 05:40 in Sofia, it's 19:40 in Port Townsend.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Jefferson County International Airport (TWD)](https://flightduration.online/airport/twd-port-townsend-jefferson-county-international-airport/1ef266de-f704-6788-8b1a-06bb2780ed98)
- [Flight duration calculator](/#calculator)