# Distance from Grosetto (GRS) to Honolulu (HNL)

> 12,801 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,801 km / 7,954 mi / 6,912 nm
- **Estimated flight time**: 16h
- **Heading**: 349° (north northwest)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Italy) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -12h (When it's 03:23 in Grosetto, it's 15:23 in Honolulu)
- **Elevation difference**: 4 ft (HNL is lower than GRS)

## Airports

### [Grosseto Airport (GRS)](https://www.flightduration.online/airport/grs-grosetto-grosseto-airport/1ef266df-5162-6cf2-9d9a-06bb2780ed98)

- City: Grosetto, Italy
- ICAO: LIRS
- Timezone: Europe/Rome
- Coordinates: 42.760000, 11.070000
- Elevation: 17 ft

### [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

## 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 03:23 in Grosetto, it's 15:23 in Honolulu.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Grosseto Airport (GRS)](https://www.flightduration.online/airport/grs-grosetto-grosseto-airport/1ef266df-5162-6cf2-9d9a-06bb2780ed98)
- [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)
- [Flight duration calculator](/#calculator)