# Distance from Curitiba (CWB) to Ban Huoeisay Airport (OUI)

> 16,856 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,856 km / 10,474 mi / 9,101 nm
- **Estimated flight time**: 21h
- **Heading**: 94° (east)
- **Return heading**: 254° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Laos
- **Intercontinental**: South America → Asia
- **Time difference**: +10h (When it's 23:17 in Curitiba, it's 09:17 in Ban Huoeisay Airport)
- **Elevation difference**: 1,608 ft (OUI is lower than CWB)

## Airports

### [Afonso Pena Airport (CWB)](https://www.flightduration.online/airport/cwb-curitiba-afonso-pena-airport/1ef266df-9442-6e5a-a41e-06bb2780ed98)

- City: Curitiba, Brazil
- ICAO: SBCT
- Timezone: America/Sao_Paulo
- Coordinates: -25.530000, -49.180000
- Elevation: 2,988 ft

### [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)

- City: Ban Huoeisay Airport, Laos
- ICAO: VLHS
- Timezone: Asia/Vientiane
- Coordinates: 20.260000, 100.440000
- Elevation: 1,380 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 23:17 in Curitiba, it's 09:17 in Ban Huoeisay Airport.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Afonso Pena Airport (CWB)](https://www.flightduration.online/airport/cwb-curitiba-afonso-pena-airport/1ef266df-9442-6e5a-a41e-06bb2780ed98)
- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Flight duration calculator](/#calculator)