# Distance from Hong Kong (HKG) to Impfondo (ION)

> 10,540 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,540 km / 6,549 mi / 5,691 nm
- **Estimated flight time**: 13h
- **Heading**: 274° (west)
- **Return heading**: 67° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → Congo
- **Intercontinental**: Asia → Africa
- **Time difference**: -7h (When it's 21:53 in Hong Kong, it's 14:53 in Impfondo)
- **Elevation difference**: 1,071 ft (ION is higher than HKG)

## Airports

### [Chek Lap Kok International Airport (HKG)](https://flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)

- City: Hong Kong, Hong Kong
- ICAO: VHHH
- Timezone: Asia/Hong_Kong
- Coordinates: 22.310000, 113.920000
- Elevation: 28 ft

### [Impfondo Airport (ION)](https://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 21:53 in Hong Kong, it's 14:53 in Impfondo.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Chek Lap Kok International Airport (HKG)](https://flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [Impfondo Airport (ION)](https://flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)
- [Flight duration calculator](/#calculator)