# Distance from Gillette (GCC) to Sofia (SOF)

> 9,089 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,089 km / 5,648 mi / 4,908 nm
- **Estimated flight time**: 12h
- **Heading**: 35° (northeast)
- **Return heading**: 326° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 12:57 in Gillette, it's 21:57 in Sofia)
- **Elevation difference**: 2,623 ft (SOF is lower than GCC)

## Airports

### [Northeast Wyoming Regional Airport (GCC)](https://www.flightduration.online/airport/gcc-gillette-northeast-wyoming-regional-airport/1ef266df-1dbc-67e0-a7cb-06bb2780ed98)

- City: Gillette, United States
- ICAO: KGCC
- Timezone: America/Denver
- Coordinates: 44.350000, -105.540000
- Elevation: 4,365 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 12:57 in Gillette, it's 21:57 in Sofia.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Northeast Wyoming Regional Airport (GCC)](https://www.flightduration.online/airport/gcc-gillette-northeast-wyoming-regional-airport/1ef266df-1dbc-67e0-a7cb-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)