# Distance from Hanoi (HAN) to Porto Alegre (POA)

> 17,515 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 17,515 km / 10,884 mi / 9,458 nm
- **Estimated flight time**: 22h
- **Heading**: 242° (west southwest)
- **Return heading**: 108° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -10h (When it's 03:06 in Hanoi, it's 17:06 in Porto Alegre)
- **Elevation difference**: 28 ft (POA is lower than HAN)

## Airports

### [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

### [Salgado Filho Airport (POA)](https://www.flightduration.online/airport/poa-porto-alegre-salgado-filho-airport/1ef266df-954c-662a-8069-06bb2780ed98)

- City: Porto Alegre, Brazil
- ICAO: SBPA
- Timezone: America/Sao_Paulo
- Coordinates: -29.990000, -51.170000
- Elevation: 11 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 03:06 in Hanoi, it's 17:06 in Porto Alegre.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [Salgado Filho Airport (POA)](https://www.flightduration.online/airport/poa-porto-alegre-salgado-filho-airport/1ef266df-954c-662a-8069-06bb2780ed98)
- [Flight duration calculator](/#calculator)