# Distance from Adelaide (ADL) to Grand-Santi (GSI)

> 16,356 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,356 km / 10,163 mi / 8,832 nm
- **Estimated flight time**: 20h
- **Heading**: 156° (south southeast)
- **Return heading**: 200° (south southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → GF
- **Intercontinental**: Oceania → South America
- **Time difference**: -12.5h (When it's 12:18 in Adelaide, it's 23:48 in Grand-Santi)
- **Elevation difference**: 187 ft (GSI is higher than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)

- City: Adelaide, Australia
- ICAO: YPAD
- Timezone: Australia/Adelaide
- Coordinates: -34.950000, 138.530000
- Elevation: 20 ft

### [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

## 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 12:18 in Adelaide, it's 23:48 in Grand-Santi.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [Grand-Santi Airport (GSI)](https://www.flightduration.online/airport/gsi-grand-santi-grand-santi-airport/1ef266df-c2f6-65b2-9095-06bb2780ed98)
- [Flight duration calculator](/#calculator)