# Distance from Louisville (SDF) to Sofia (SOF)

> 8,532 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,532 km / 5,301 mi / 4,607 nm
- **Estimated flight time**: 11h
- **Heading**: 46° (northeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +7h (When it's 21:24 in Louisville, it's 04:24 in Sofia)
- **Elevation difference**: 1,241 ft (SOF is higher than SDF)

## Airports

### [Louisville Muhammad Ali International Airport (SDF)](https://www.flightduration.online/airport/sdf-louisville-louisville-muhammad-ali-international-airport/1ef266df-37d0-6b5e-8fd6-06bb2780ed98)

- City: Louisville, United States
- ICAO: KSDF
- Timezone: America/Kentucky/Louisville
- Coordinates: 38.170000, -85.740000
- Elevation: 501 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 21:24 in Louisville, it's 04:24 in Sofia.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Louisville Muhammad Ali International Airport (SDF)](https://www.flightduration.online/airport/sdf-louisville-louisville-muhammad-ali-international-airport/1ef266df-37d0-6b5e-8fd6-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)