# Distance from St Helens Airport (HLS) to Kathmandu (KTM)

> 10,036 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,036 km / 6,236 mi / 5,419 nm
- **Estimated flight time**: 13h
- **Heading**: 308° (northwest)
- **Return heading**: 138° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Nepal
- **Intercontinental**: Oceania → Asia
- **Time difference**: -4.25h (When it's 20:51 in St Helens Airport, it's 16:36 in Kathmandu)
- **Elevation difference**: 4,342 ft (KTM is higher than HLS)

## Airports

### [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-06bb2780ed98)

- City: St Helens Airport, Australia
- ICAO: YSTH
- Timezone: Australia/Hobart
- Coordinates: -41.340000, 148.280000
- Elevation: 48 ft

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 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 20:51 in St Helens Airport, it's 16:36 in Kathmandu.
The 4.25-hour time difference may cause some jet lag.

## Related

- [St Helens Airport (HLS)](https://www.flightduration.online/airport/hls-st-helens-airport/1ef266e0-1992-69ac-b5ce-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)