# Distance from Sofia (SOF) to West Yellowstone (WYS)

> 9,302 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,302 km / 5,780 mi / 5,023 nm
- **Estimated flight time**: 12h
- **Heading**: 329° (north northwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 08:35 in Sofia, it's 23:35 in West Yellowstone)
- **Elevation difference**: 4,907 ft (WYS is higher than SOF)

## Airports

### [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

### [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)

- City: West Yellowstone, United States
- ICAO: KWYS
- Timezone: America/Denver
- Coordinates: 44.690000, -111.120000
- Elevation: 6,649 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 08:35 in Sofia, it's 23:35 in West Yellowstone.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Yellowstone Airport (WYS)](https://www.flightduration.online/airport/wys-west-yellowstone-yellowstone-airport/1ef266df-402e-6864-b2fe-06bb2780ed98)
- [Flight duration calculator](/#calculator)