# Distance from Honolulu (HNL) to Impfondo (ION)

> 17,427 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,427 km / 10,829 mi / 9,410 nm
- **Estimated flight time**: 22h
- **Heading**: 10° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Congo
- **Intercontinental**: North America → Africa
- **Time difference**: +11h (When it's 07:56 in Honolulu, it's 18:56 in Impfondo)
- **Elevation difference**: 1,086 ft (ION 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

### [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)

- City: Impfondo, Congo
- ICAO: FCOI
- Timezone: Africa/Brazzaville
- Coordinates: 1.620000, 18.070000
- Elevation: 1,099 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 07:56 in Honolulu, it's 18:56 in Impfondo.
With a 11-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)
- [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)
- [Flight duration calculator](/#calculator)