# Distance from Sullivan (SIV) to Sofia (SOF)

> 8,563 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,563 km / 5,321 mi / 4,624 nm
- **Estimated flight time**: 11h
- **Heading**: 45° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 09:30 in Sullivan, it's 16:30 in Sofia)
- **Elevation difference**: 1,203 ft (SOF is higher than SIV)

## Airports

### [Sullivan County Airport (SIV)](https://flightduration.online/airport/siv-sullivan-sullivan-county-airport/1ef266df-3887-62e6-8754-06bb2780ed98)

- City: Sullivan, United States
- ICAO: KSIV
- Timezone: America/Indiana/Indianapolis
- Coordinates: 39.110000, -87.450000
- Elevation: 539 ft

### [Sofia Airport (SOF)](https://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 09:30 in Sullivan, it's 16:30 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Sullivan County Airport (SIV)](https://flightduration.online/airport/siv-sullivan-sullivan-county-airport/1ef266df-3887-62e6-8754-06bb2780ed98)
- [Sofia Airport (SOF)](https://flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)