# Distance from Fort Bliss/El Paso/ (BIF) to Sofia (SOF)

> 10,273 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,273 km / 6,383 mi / 5,547 nm
- **Estimated flight time**: 13h
- **Heading**: 34° (northeast)
- **Return heading**: 319° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +9h (When it's 20:54 in Fort Bliss/El Paso/, it's 05:54 in Sofia)
- **Elevation difference**: 2,205 ft (SOF is lower than BIF)

## Airports

### [Biggs Army Air Field (Fort Bliss) Airport (BIF)](https://www.flightduration.online/airport/bif-fort-blissel-paso-biggs-army-air-field-fort-bliss-airport/1ef266df-108d-69b6-a40c-06bb2780ed98)

- City: Fort Bliss/El Paso/, United States
- ICAO: KBIF
- Timezone: America/Denver
- Coordinates: 31.850000, -106.380000
- Elevation: 3,947 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 20:54 in Fort Bliss/El Paso/, it's 05:54 in Sofia.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Biggs Army Air Field (Fort Bliss) Airport (BIF)](https://www.flightduration.online/airport/bif-fort-blissel-paso-biggs-army-air-field-fort-bliss-airport/1ef266df-108d-69b6-a40c-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)