# Distance from Hong Kong (HKG) to Leonardtown (LTW)

> 13,185 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,185 km / 8,193 mi / 7,120 nm
- **Estimated flight time**: 17h
- **Heading**: 9° (north)
- **Return heading**: 349° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Hong Kong) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 01:56 in Hong Kong, it's 13:56 in Leonardtown)
- **Elevation difference**: 114 ft (LTW 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

### [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)

- City: Leonardtown, United States
- ICAO: K2W6
- Timezone: America/New_York
- Coordinates: 38.320000, -76.550000
- Elevation: 142 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 01:56 in Hong Kong, it's 13:56 in Leonardtown.
With a 12-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)
- [St Mary's County Regional Airport (LTW)](https://www.flightduration.online/airport/ltw-leonardtown-st-marys-county-regional-airport/1ef266de-fd00-6ff6-a63d-06bb2780ed98)
- [Flight duration calculator](/#calculator)