# Distance from Frederick (FDK) to Sofia (SOF)

> 7,902 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,902 km / 4,910 mi / 4,267 nm
- **Estimated flight time**: 10h
- **Heading**: 50° (northeast)
- **Return heading**: 307° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 00:03 in Frederick, it's 07:03 in Sofia)
- **Elevation difference**: 1,433 ft (SOF is higher than FDK)

## Airports

### [Frederick Municipal Airport (FDK)](https://www.flightduration.online/airport/fdk-frederick-frederick-municipal-airport/1ef266df-1bdd-6848-83da-06bb2780ed98)

- City: Frederick, United States
- ICAO: KFDK
- Timezone: America/New_York
- Coordinates: 39.420000, -77.370000
- Elevation: 309 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 00:03 in Frederick, it's 07:03 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Frederick Municipal Airport (FDK)](https://www.flightduration.online/airport/fdk-frederick-frederick-municipal-airport/1ef266df-1bdd-6848-83da-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)