# Distance from Islamabad (ISB) to Sofia (SOF)

> 4,376 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,376 km / 2,719 mi / 2,363 nm
- **Estimated flight time**: 6h
- **Heading**: 298° (west northwest)
- **Return heading**: 87° (east)
- **Classification**: Long-haul
- **Type**: International (Pakistan) → Bulgaria
- **Intercontinental**: Asia → Europe
- **Time difference**: -2h (When it's 23:01 in Islamabad, it's 21:01 in Sofia)
- **Elevation difference**: 19 ft (SOF is lower than ISB)

## Airports

### [Islamabad International Airport (ISB)](https://www.flightduration.online/airport/isb-islamabad-islamabad-international-airport/1ef266df-81d8-6e7c-adc5-06bb2780ed98)

- City: Islamabad, Pakistan
- ICAO: OPIS
- Timezone: Asia/Karachi
- Coordinates: 33.550000, 72.830000
- Elevation: 1,761 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 23:01 in Islamabad, it's 21:01 in Sofia.

## Related

- [Islamabad International Airport (ISB)](https://www.flightduration.online/airport/isb-islamabad-islamabad-international-airport/1ef266df-81d8-6e7c-adc5-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)