# Distance from Boundji (BOE) to Sydney (SYD)

> 13,985 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,985 km / 8,690 mi / 7,551 nm
- **Estimated flight time**: 17h
- **Heading**: 135° (southeast)
- **Return heading**: 239° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Congo) → Australia
- **Intercontinental**: Africa → Oceania
- **Time difference**: +9h (When it's 06:32 in Boundji, it's 15:32 in Sydney)
- **Elevation difference**: 1,226 ft (SYD is lower than BOE)

## Airports

### [Boundji Airport (BOE)](https://www.flightduration.online/airport/boe-boundji-boundji-airport/1ef266de-d684-6eae-9076-06bb2780ed98)

- City: Boundji, Congo
- ICAO: FCOB
- Timezone: Africa/Brazzaville
- Coordinates: -1.030000, 15.380000
- Elevation: 1,247 ft

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 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 06:32 in Boundji, it's 15:32 in Sydney.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Boundji Airport (BOE)](https://www.flightduration.online/airport/boe-boundji-boundji-airport/1ef266de-d684-6eae-9076-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)