# Distance from Alenquer (ALT) to Sydney (SYD)

> 15,194 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,194 km / 9,441 mi / 8,204 nm
- **Estimated flight time**: 19h
- **Heading**: 212° (south southwest)
- **Return heading**: 141° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Australia
- **Intercontinental**: South America → Oceania
- **Time difference**: +14h (When it's 21:07 in Alenquer, it's 11:07 in Sydney)
- **Elevation difference**: 80 ft (SYD is lower than ALT)

## Airports

### [Alenquer Airport (ALT)](https://www.flightduration.online/airport/alt-alenquer-alenquer-airport/1ef266df-a3e8-6c6a-af27-06bb2780ed98)

- City: Alenquer, Brazil
- ICAO: SDWQ
- Timezone: America/Manaus
- Coordinates: -1.920000, -54.720000
- Elevation: 101 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 21:07 in Alenquer, it's 11:07 in Sydney.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Alenquer Airport (ALT)](https://www.flightduration.online/airport/alt-alenquer-alenquer-airport/1ef266df-a3e8-6c6a-af27-06bb2780ed98)
- [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)