# Distance from Hong Kong (HKG) to San Diego/El Cajon (SEE)

> 11,846 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,846 km / 7,361 mi / 6,396 nm
- **Estimated flight time**: 15h
- **Heading**: 43° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 22:21 in Hong Kong, it's 07:21 in San Diego/El Cajon)
- **Elevation difference**: 360 ft (SEE 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

### [Gillespie Field (SEE)](https://www.flightduration.online/airport/see-san-diegoel-cajon-gillespie-field/1ef266df-37ed-6bfa-aaaa-06bb2780ed98)

- City: San Diego/El Cajon, United States
- ICAO: KSEE
- Timezone: America/Los_Angeles
- Coordinates: 32.830000, -116.970000
- Elevation: 388 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 22:21 in Hong Kong, it's 07:21 in San Diego/El Cajon.
With a 15-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)
- [Gillespie Field (SEE)](https://www.flightduration.online/airport/see-san-diegoel-cajon-gillespie-field/1ef266df-37ed-6bfa-aaaa-06bb2780ed98)
- [Flight duration calculator](/#calculator)