# Distance from Philadelphia (PHL) to Sofia (SOF)

> 7,730 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,730 km / 4,803 mi / 4,174 nm
- **Estimated flight time**: 10h
- **Heading**: 51° (northeast)
- **Return heading**: 306° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 23:22 in Philadelphia, it's 06:22 in Sofia)
- **Elevation difference**: 1,706 ft (SOF is higher than PHL)

## Airports

### [Philadelphia International Airport (PHL)](https://www.flightduration.online/airport/phl-philadelphia-philadelphia-international-airport/1ef266df-3298-6dbc-a5dd-06bb2780ed98)

- City: Philadelphia, United States
- ICAO: KPHL
- Timezone: America/New_York
- Coordinates: 39.870000, -75.240000
- Elevation: 36 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 23:22 in Philadelphia, it's 06:22 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Philadelphia International Airport (PHL)](https://www.flightduration.online/airport/phl-philadelphia-philadelphia-international-airport/1ef266df-3298-6dbc-a5dd-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)