# Distance from Betou (BTB) to Hong Kong (HKG)

> 10,435 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,435 km / 6,484 mi / 5,635 nm
- **Estimated flight time**: 13h
- **Heading**: 67° (east northeast)
- **Return heading**: 275° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Congo) → Hong Kong
- **Intercontinental**: Africa → Asia
- **Time difference**: +7h (When it's 22:35 in Betou, it's 05:35 in Hong Kong)
- **Elevation difference**: 1,140 ft (HKG is lower than BTB)

## Airports

### [Betou Airport (BTB)](https://www.flightduration.online/airport/btb-betou-betou-airport/1ef266de-d6a4-6740-a27e-06bb2780ed98)

- City: Betou, Congo
- ICAO: FCOT
- Timezone: Africa/Brazzaville
- Coordinates: 3.050000, 18.500000
- Elevation: 1,168 ft

### [Chek Lap Kok International Airport (HKG)](https://www.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

## 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 22:35 in Betou, it's 05:35 in Hong Kong.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Betou Airport (BTB)](https://www.flightduration.online/airport/btb-betou-betou-airport/1ef266de-d6a4-6740-a27e-06bb2780ed98)
- [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [Flight duration calculator](/#calculator)