# Distance from Big Bear City (RBF) to Sofia (SOF)

> 10,552 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,552 km / 6,557 mi / 5,698 nm
- **Estimated flight time**: 13h
- **Heading**: 28° (north northeast)
- **Return heading**: 328° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 05:08 in Big Bear City, it's 15:08 in Sofia)
- **Elevation difference**: 5,010 ft (SOF is lower than RBF)

## Airports

### [Big Bear City Airport (RBF)](https://www.flightduration.online/airport/rbf-big-bear-city-big-bear-city-airport/1ef266df-2658-6e8a-9ab4-06bb2780ed98)

- City: Big Bear City, United States
- ICAO: KL35
- Timezone: America/Los_Angeles
- Coordinates: 34.260000, -116.860000
- Elevation: 6,752 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 05:08 in Big Bear City, it's 15:08 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Big Bear City Airport (RBF)](https://www.flightduration.online/airport/rbf-big-bear-city-big-bear-city-airport/1ef266df-2658-6e8a-9ab4-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)