# Distance from San Francisco (SFO) to Sofia (SOF)

> 10,437 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,437 km / 6,486 mi / 5,636 nm
- **Estimated flight time**: 13h
- **Heading**: 24° (north northeast)
- **Return heading**: 333° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 05:04 in San Francisco, it's 15:04 in Sofia)
- **Elevation difference**: 1,729 ft (SOF is higher than SFO)

## Airports

### [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)

- City: San Francisco, United States
- ICAO: KSFO
- Timezone: America/Los_Angeles
- Coordinates: 37.620000, -122.380000
- Elevation: 13 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 05:04 in San Francisco, it's 15:04 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [San Francisco International Airport (SFO)](https://www.flightduration.online/airport/sfo-san-francisco-san-francisco-international-airport/1ef266df-382a-66ea-a1cc-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)