# Distance from Sofia (SOF) to Isla de la Juventud (SZJ)

> 9,641 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,641 km / 5,990 mi / 5,206 nm
- **Estimated flight time**: 12h
- **Heading**: 297° (west northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → Cuba
- **Intercontinental**: Europe → North America
- **Time difference**: -7h (When it's 10:47 in Sofia, it's 03:47 in Isla de la Juventud)
- **Elevation difference**: 1,703 ft (SZJ is lower than SOF)

## Airports

### [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

### [Siguanea Airport (SZJ)](https://www.flightduration.online/airport/szj-isla-de-la-juventud-siguanea-airport/1ef266df-6b47-688e-8870-06bb2780ed98)

- City: Isla de la Juventud, Cuba
- ICAO: MUSN
- Timezone: America/Havana
- Coordinates: 21.640000, -82.960000
- Elevation: 39 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 10:47 in Sofia, it's 03:47 in Isla de la Juventud.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Siguanea Airport (SZJ)](https://www.flightduration.online/airport/szj-isla-de-la-juventud-siguanea-airport/1ef266df-6b47-688e-8870-06bb2780ed98)
- [Flight duration calculator](/#calculator)