# Distance from New Plymouth (NPL) to St Louis (STL)

> 12,992 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,992 km / 8,073 mi / 7,015 nm
- **Estimated flight time**: 16h
- **Heading**: 60° (east northeast)
- **Return heading**: 240° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 11:21 in New Plymouth, it's 18:21 in St Louis)
- **Elevation difference**: 520 ft (STL is higher than NPL)

## Airports

### [New Plymouth Airport (NPL)](https://www.flightduration.online/airport/npl-new-plymouth-new-plymouth-airport/1ef266df-7748-6ff2-be22-06bb2780ed98)

- City: New Plymouth, New Zealand
- ICAO: NZNP
- Timezone: Pacific/Auckland
- Coordinates: -39.010000, 174.180000
- Elevation: 97 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 11:21 in New Plymouth, it's 18:21 in St Louis.
With a 17-hour time difference, expect significant jet lag.

## Related

- [New Plymouth Airport (NPL)](https://www.flightduration.online/airport/npl-new-plymouth-new-plymouth-airport/1ef266df-7748-6ff2-be22-06bb2780ed98)
- [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)