# Distance from Dorval (YUL) to Sayaboury (ZBY)

> 12,806 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,806 km / 7,957 mi / 6,915 nm
- **Estimated flight time**: 16h
- **Heading**: 5° (north)
- **Return heading**: 356° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Canada) → Laos
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 19:38 in Dorval, it's 06:38 in Sayaboury)
- **Elevation difference**: 1,129 ft (ZBY is higher than YUL)

## Airports

### [Montréal / Pierre Elliott Trudeau International Airport (YUL)](https://www.flightduration.online/airport/yul-dorval-montreal-pierre-elliott-trudeau-international-airport/1ef266de-b315-619e-b7a7-06bb2780ed98)

- City: Dorval, Canada
- ICAO: CYUL
- Timezone: America/Toronto
- Coordinates: 45.470000, -73.740000
- Elevation: 118 ft

### [Sayaboury Airport (ZBY)](https://www.flightduration.online/airport/zby-sayaboury-sayaboury-airport/1ef266df-f28e-6e00-acc9-06bb2780ed98)

- City: Sayaboury, Laos
- ICAO: VLSB
- Timezone: Asia/Vientiane
- Coordinates: 19.230000, 101.730000
- Elevation: 1,247 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 19:38 in Dorval, it's 06:38 in Sayaboury.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Montréal / Pierre Elliott Trudeau International Airport (YUL)](https://www.flightduration.online/airport/yul-dorval-montreal-pierre-elliott-trudeau-international-airport/1ef266de-b315-619e-b7a7-06bb2780ed98)
- [Sayaboury Airport (ZBY)](https://www.flightduration.online/airport/zby-sayaboury-sayaboury-airport/1ef266df-f28e-6e00-acc9-06bb2780ed98)
- [Flight duration calculator](/#calculator)