# Distance from Houston (IAH) to Lock (LOC)

> 15,223 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,223 km / 9,459 mi / 8,219 nm
- **Estimated flight time**: 19h
- **Heading**: 252° (west southwest)
- **Return heading**: 80° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14.5h (When it's 04:43 in Houston, it's 19:13 in Lock)
- **Elevation difference**: 254 ft (LOC is higher than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 ft

### [Lock Airport (LOC)](https://www.flightduration.online/airport/loc-lock-lock-airport/1ef266e0-1138-63e2-98ea-06bb2780ed98)

- City: Lock, Australia
- ICAO: YLOK
- Timezone: Australia/Adelaide
- Coordinates: -33.540000, 135.690000
- Elevation: 350 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 04:43 in Houston, it's 19:13 in Lock.
With a 14.5-hour time difference, expect significant jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Lock Airport (LOC)](https://www.flightduration.online/airport/loc-lock-lock-airport/1ef266e0-1138-63e2-98ea-06bb2780ed98)
- [Flight duration calculator](/#calculator)