# Distance from Milford Sound Airport (MFN) to St Louis (STL)

> 13,738 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,738 km / 8,536 mi / 7,418 nm
- **Estimated flight time**: 17h
- **Heading**: 66° (east northeast)
- **Return heading**: 237° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 09:51 in Milford Sound Airport, it's 16:51 in St Louis)
- **Elevation difference**: 607 ft (STL is higher than MFN)

## Airports

### [Milford Sound Airport (MFN)](https://www.flightduration.online/airport/mfn-milford-sound-airport/1ef266df-771b-65e8-8c7f-06bb2780ed98)

- City: Milford Sound Airport, New Zealand
- ICAO: NZMF
- Timezone: Pacific/Auckland
- Coordinates: -44.670000, 167.920000
- Elevation: 10 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 09:51 in Milford Sound Airport, it's 16:51 in St Louis.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Milford Sound Airport (MFN)](https://www.flightduration.online/airport/mfn-milford-sound-airport/1ef266df-771b-65e8-8c7f-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)