# Distance from Honolulu (HNL) to Portoroz (POW)

> 12,539 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,539 km / 7,791 mi / 6,771 nm
- **Estimated flight time**: 16h
- **Heading**: 6° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Slovenia
- **Intercontinental**: North America → Europe
- **Time difference**: +12h (When it's 20:07 in Honolulu, it's 08:07 in Portoroz)
- **Elevation difference**: 6 ft (POW is lower than HNL)

## Airports

### [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)

- City: Honolulu, United States
- ICAO: PHNL
- Timezone: Pacific/Honolulu
- Coordinates: 21.320000, -157.920000
- Elevation: 13 ft

### [Portoroz Airport (POW)](https://www.flightduration.online/airport/pow-portoroz-portoroz-airport/1ef266df-51a0-6dae-a987-06bb2780ed98)

- City: Portoroz, Slovenia
- ICAO: LJPZ
- Timezone: Europe/Ljubljana
- Coordinates: 45.470000, 13.620000
- Elevation: 7 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 20:07 in Honolulu, it's 08:07 in Portoroz.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)
- [Portoroz Airport (POW)](https://www.flightduration.online/airport/pow-portoroz-portoroz-airport/1ef266df-51a0-6dae-a987-06bb2780ed98)
- [Flight duration calculator](/#calculator)