# Distance from Kosciusko (OSX) to Sofia (SOF)

> 9,176 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,176 km / 5,702 mi / 4,955 nm
- **Estimated flight time**: 12h
- **Heading**: 43° (northeast)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 01:46 in Kosciusko, it's 09:46 in Sofia)
- **Elevation difference**: 1,248 ft (SOF is higher than OSX)

## Airports

### [Kosciusko-Attala County Airport (OSX)](https://www.flightduration.online/airport/osx-kosciusko-kosciusko-attala-county-airport/1ef266df-314c-692c-b009-06bb2780ed98)

- City: Kosciusko, United States
- ICAO: KOSX
- Timezone: America/Chicago
- Coordinates: 33.090000, -89.540000
- Elevation: 494 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 01:46 in Kosciusko, it's 09:46 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Kosciusko-Attala County Airport (OSX)](https://www.flightduration.online/airport/osx-kosciusko-kosciusko-attala-county-airport/1ef266df-314c-692c-b009-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)