# Distance from Honolulu (HNL) to Udine (UDN)

> 12,473 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,473 km / 7,750 mi / 6,735 nm
- **Estimated flight time**: 16h
- **Heading**: 7° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Italy
- **Intercontinental**: North America → Europe
- **Time difference**: +12h (When it's 15:29 in Honolulu, it's 03:29 in Udine)
- **Elevation difference**: 292 ft (UDN is higher 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

### [Udine / Campoformido Air Base (UDN)](https://www.flightduration.online/airport/udn-udine-udine-campoformido-air-base/1ef266df-50cd-630a-8391-06bb2780ed98)

- City: Udine, Italy
- ICAO: LIPD
- Timezone: Europe/Rome
- Coordinates: 46.030000, 13.190000
- Elevation: 305 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 15:29 in Honolulu, it's 03:29 in Udine.
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)
- [Udine / Campoformido Air Base (UDN)](https://www.flightduration.online/airport/udn-udine-udine-campoformido-air-base/1ef266df-50cd-630a-8391-06bb2780ed98)
- [Flight duration calculator](/#calculator)