# Distance from Istanbul (IST) to Koumac (KOC)

> 15,254 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,254 km / 9,479 mi / 8,237 nm
- **Estimated flight time**: 19h
- **Heading**: 75° (east northeast)
- **Return heading**: 309° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Turkey) → New Caledonia
- **Intercontinental**: Asia → Oceania
- **Time difference**: +8h (When it's 11:59 in Istanbul, it's 19:59 in Koumac)
- **Elevation difference**: 283 ft (KOC is lower than IST)

## Airports

### [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)

- City: Istanbul, Turkey
- ICAO: LTFM
- Timezone: Europe/Istanbul
- Coordinates: 41.280000, 28.750000
- Elevation: 325 ft

### [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

## 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 11:59 in Istanbul, it's 19:59 in Koumac.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)
- [Koumac Airport (KOC)](https://www.flightduration.online/airport/koc-koumac-koumac-airport/1ef266df-750c-66f8-93b6-06bb2780ed98)
- [Flight duration calculator](/#calculator)