# Distance from Grand-Santi (GSI) to Sydney (SYD)

> 15,790 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,790 km / 9,812 mi / 8,526 nm
- **Estimated flight time**: 20h
- **Heading**: 216° (southwest)
- **Return heading**: 136° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (GF) → Australia
- **Intercontinental**: South America → Oceania
- **Time difference**: +13h (When it's 20:51 in Grand-Santi, it's 09:51 in Sydney)
- **Elevation difference**: 186 ft (SYD is lower than GSI)

## Airports

### [Grand-Santi Airport (GSI)](https://www.flightduration.online/airport/gsi-grand-santi-grand-santi-airport/1ef266df-c2f6-65b2-9095-06bb2780ed98)

- City: Grand-Santi, GF
- ICAO: SOGS
- Timezone: America/Cayenne
- Coordinates: 4.290000, -54.370000
- Elevation: 207 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 20:51 in Grand-Santi, it's 09:51 in Sydney.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Grand-Santi Airport (GSI)](https://www.flightduration.online/airport/gsi-grand-santi-grand-santi-airport/1ef266df-c2f6-65b2-9095-06bb2780ed98)
- [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)