# Distance from Grand-Santi (GSI) to Hanoi (HAN)

> 16,450 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,450 km / 10,221 mi / 8,882 nm
- **Estimated flight time**: 20h
- **Heading**: 37° (northeast)
- **Return heading**: 320° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (GF) → Vietnam
- **Intercontinental**: South America → Asia
- **Time difference**: +10h (When it's 23:48 in Grand-Santi, it's 09:48 in Hanoi)
- **Elevation difference**: 168 ft (HAN 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

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 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 23:48 in Grand-Santi, it's 09:48 in Hanoi.
With a 10-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)
- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)