# Distance from Brownsville (BRO) to Sofia (SOF)

> 10,279 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,279 km / 6,387 mi / 5,550 nm
- **Estimated flight time**: 13h
- **Heading**: 39° (northeast)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 17:55 in Brownsville, it's 01:55 in Sofia)
- **Elevation difference**: 1,720 ft (SOF is higher than BRO)

## Airports

### [Brownsville/South Padre Island International Airport (BRO)](https://www.flightduration.online/airport/bro-brownsville-brownsvillesouth-padre-island-international-airport/1ef266df-115d-692c-8f9d-06bb2780ed98)

- City: Brownsville, United States
- ICAO: KBRO
- Timezone: America/Chicago
- Coordinates: 25.910000, -97.430000
- Elevation: 22 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 17:55 in Brownsville, it's 01:55 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Brownsville/South Padre Island International Airport (BRO)](https://www.flightduration.online/airport/bro-brownsville-brownsvillesouth-padre-island-international-airport/1ef266df-115d-692c-8f9d-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)