# Distance from Hong Kong (HKG) to Semnan (SNX)

> 5,969 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,969 km / 3,709 mi / 3,223 nm
- **Estimated flight time**: 8h
- **Heading**: 299° (west northwest)
- **Return heading**: 87° (east)
- **Classification**: Long-haul
- **Type**: International (Hong Kong) → Iran
- **Time difference**: -4.5h (When it's 12:34 in Hong Kong, it's 08:04 in Semnan)
- **Elevation difference**: 3,637 ft (SNX 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

### [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)

- City: Semnan, Iran
- ICAO: OIIS
- Timezone: Asia/Tehran
- Coordinates: 35.590000, 53.500000
- Elevation: 3,665 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 12:34 in Hong Kong, it's 08:04 in Semnan.
The 4.5-hour time difference may cause some 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)
- [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)
- [Flight duration calculator](/#calculator)