# Distance from Port Huron (PHN) to Sofia (SOF)

> 7,973 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,973 km / 4,954 mi / 4,305 nm
- **Estimated flight time**: 10h
- **Heading**: 48° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 11:24 in Port Huron, it's 18:24 in Sofia)
- **Elevation difference**: 1,092 ft (SOF is higher than PHN)

## Airports

### [St Clair County International Airport (PHN)](https://www.flightduration.online/airport/phn-port-huron-st-clair-county-international-airport/1ef266df-329c-6dd6-bce4-06bb2780ed98)

- City: Port Huron, United States
- ICAO: KPHN
- Timezone: America/New_York
- Coordinates: 42.910000, -82.530000
- Elevation: 650 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 11:24 in Port Huron, it's 18:24 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [St Clair County International Airport (PHN)](https://www.flightduration.online/airport/phn-port-huron-st-clair-county-international-airport/1ef266df-329c-6dd6-bce4-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)