# Distance from Auckland (AKL) to Alton/St Louis (ALN)

> 12,866 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,866 km / 7,995 mi / 6,947 nm
- **Estimated flight time**: 16h
- **Heading**: 59° (east northeast)
- **Return heading**: 242° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (New Zealand) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -17h (When it's 20:03 in Auckland, it's 03:03 in Alton/St Louis)
- **Elevation difference**: 521 ft (ALN is higher than AKL)

## Airports

### [Auckland International Airport (AKL)](https://www.flightduration.online/airport/akl-auckland-auckland-international-airport/1ef266df-763b-69fc-9471-06bb2780ed98)

- City: Auckland, New Zealand
- ICAO: NZAA
- Timezone: Pacific/Auckland
- Coordinates: -37.010000, 174.790000
- Elevation: 23 ft

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 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 20:03 in Auckland, it's 03:03 in Alton/St Louis.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Auckland International Airport (AKL)](https://www.flightduration.online/airport/akl-auckland-auckland-international-airport/1ef266df-763b-69fc-9471-06bb2780ed98)
- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Flight duration calculator](/#calculator)