# Distance from Koumac (KOC) to Sofia (SOF)

> 15,624 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,624 km / 9,708 mi / 8,436 nm
- **Estimated flight time**: 19h
- **Heading**: 313° (northwest)
- **Return heading**: 68° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (New Caledonia) → Bulgaria
- **Intercontinental**: Oceania → Europe
- **Time difference**: -8h (When it's 13:15 in Koumac, it's 05:15 in Sofia)
- **Elevation difference**: 1,700 ft (SOF is higher than KOC)

## Airports

### [Koumac Airport (KOC)](https://www.flightduration.online/airport/koc-koumac-koumac-airport/1ef266df-750c-66f8-93b6-06bb2780ed98)

- City: Koumac, New Caledonia
- ICAO: NWWK
- Timezone: Pacific/Noumea
- Coordinates: -20.550000, 164.260000
- Elevation: 42 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 13:15 in Koumac, it's 05:15 in Sofia.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Koumac Airport (KOC)](https://www.flightduration.online/airport/koc-koumac-koumac-airport/1ef266df-750c-66f8-93b6-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)