# Distance from Hong Kong (HKG) to Siena (SAY)

> 9,289 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,289 km / 5,772 mi / 5,016 nm
- **Estimated flight time**: 12h
- **Heading**: 314° (northwest)
- **Return heading**: 65° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → Italy
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 11:34 in Hong Kong, it's 05:34 in Siena)
- **Elevation difference**: 606 ft (SAY is higher than HKG)

## Airports

### [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

### [Siena / Ampugnano Airport (SAY)](https://www.flightduration.online/airport/say-siena-siena-ampugnano-airport/1ef266df-5127-6c2e-a7d4-06bb2780ed98)

- City: Siena, Italy
- ICAO: LIQS
- Timezone: Europe/Rome
- Coordinates: 43.260000, 11.260000
- Elevation: 634 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 11:34 in Hong Kong, it's 05:34 in Siena.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Chek Lap Kok International Airport (HKG)](https://www.flightduration.online/airport/hkg-hong-kong-chek-lap-kok-international-airport/1ef266df-f178-6656-ae1f-06bb2780ed98)
- [Siena / Ampugnano Airport (SAY)](https://www.flightduration.online/airport/say-siena-siena-ampugnano-airport/1ef266df-5127-6c2e-a7d4-06bb2780ed98)
- [Flight duration calculator](/#calculator)