# Distance from Watertown (ATY) to Hong Kong (HKG)

> 11,903 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,903 km / 7,396 mi / 6,427 nm
- **Estimated flight time**: 15h
- **Heading**: 330° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Hong Kong
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 23:35 in Watertown, it's 12:35 in Hong Kong)
- **Elevation difference**: 1,721 ft (HKG is lower than ATY)

## Airports

### [Watertown Regional Airport (ATY)](https://www.flightduration.online/airport/aty-watertown-watertown-regional-airport/1ef266df-0f1d-62b6-969e-06bb2780ed98)

- City: Watertown, United States
- ICAO: KATY
- Timezone: America/Chicago
- Coordinates: 44.910000, -97.150000
- Elevation: 1,749 ft

### [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)

- City: Hong Kong, Hong Kong
- ICAO: VHHH
- Timezone: Asia/Hong_Kong
- Coordinates: 22.310000, 113.920000
- Elevation: 28 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 23:35 in Watertown, it's 12:35 in Hong Kong.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Watertown Regional Airport (ATY)](https://www.flightduration.online/airport/aty-watertown-watertown-regional-airport/1ef266df-0f1d-62b6-969e-06bb2780ed98)
- [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [Flight duration calculator](/#calculator)