# Distance from Croker Island Airport (CKI) to Sofia (SOF)

> 12,400 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,400 km / 7,705 mi / 6,696 nm
- **Estimated flight time**: 16h
- **Heading**: 312° (northwest)
- **Return heading**: 85° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Bulgaria
- **Intercontinental**: Oceania → Europe
- **Time difference**: -6.5h (When it's 08:35 in Croker Island Airport, it's 02:05 in Sofia)
- **Elevation difference**: 1,726 ft (SOF is higher than CKI)

## Airports

### [Croker Island Airport (CKI)](https://www.flightduration.online/airport/cki-croker-island-airport/1ef266e0-08a4-6028-a0ac-06bb2780ed98)

- City: Croker Island Airport, Australia
- ICAO: YCKI
- Timezone: Australia/Darwin
- Coordinates: -11.160000, 132.480000
- Elevation: 16 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 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 08:35 in Croker Island Airport, it's 02:05 in Sofia.
With a 6.5-hour time difference, expect significant jet lag.

## Related

- [Croker Island Airport (CKI)](https://www.flightduration.online/airport/cki-croker-island-airport/1ef266e0-08a4-6028-a0ac-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)