# Distance from Katiu (KXU) to Sofia (SOF)

> 16,863 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,863 km / 10,478 mi / 9,106 nm
- **Estimated flight time**: 21h
- **Heading**: 19° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (French Polynesia) → Bulgaria
- **Intercontinental**: Oceania → Europe
- **Time difference**: +13h (When it's 14:53 in Katiu, it's 03:53 in Sofia)
- **Elevation difference**: 1,735 ft (SOF is higher than KXU)

## Airports

### [Katiu Airport (KXU)](https://www.flightduration.online/airport/kxu-katiu-katiu-airport/1ef266df-73ae-61c6-a0bc-06bb2780ed98)

- City: Katiu, French Polynesia
- ICAO: NTKT
- Timezone: Pacific/Tahiti
- Coordinates: -16.340000, -144.400000
- Elevation: 7 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 14:53 in Katiu, it's 03:53 in Sofia.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Katiu Airport (KXU)](https://www.flightduration.online/airport/kxu-katiu-katiu-airport/1ef266df-73ae-61c6-a0bc-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)