# Distance from Ban Huoeisay Airport (OUI) to Ottawa (YOW)

> 12,712 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,712 km / 7,899 mi / 6,864 nm
- **Estimated flight time**: 16h
- **Heading**: 357° (north)
- **Return heading**: 4° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Laos) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -11h (When it's 08:22 in Ban Huoeisay Airport, it's 21:22 in Ottawa)
- **Elevation difference**: 1,006 ft (YOW is lower than OUI)

## Airports

### [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

### [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)

- City: Ottawa, Canada
- ICAO: CYOW
- Timezone: America/Toronto
- Coordinates: 45.320000, -75.670000
- Elevation: 374 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 08:22 in Ban Huoeisay Airport, it's 21:22 in Ottawa.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Ban Huoeisay Airport (OUI)](https://www.flightduration.online/airport/oui-ban-huoeisay-airport/1ef266df-f277-6980-89e5-06bb2780ed98)
- [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)
- [Flight duration calculator](/#calculator)