# Distance from Adelaide (ADL) to Alto Parnaiba (APY)

> 15,097 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,097 km / 9,381 mi / 8,151 nm
- **Estimated flight time**: 19h
- **Heading**: 174° (south)
- **Return heading**: 185° (south)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Brazil
- **Intercontinental**: Oceania → South America
- **Time difference**: -12.5h (When it's 00:17 in Adelaide, it's 11:47 in Alto Parnaiba)
- **Elevation difference**: 948 ft (APY is higher than ADL)

## Airports

### [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)

- City: Adelaide, Australia
- ICAO: YPAD
- Timezone: Australia/Adelaide
- Coordinates: -34.950000, 138.530000
- Elevation: 20 ft

### [Alto Parnaiba Airport (APY)](https://www.flightduration.online/airport/apy-alto-parnaiba-alto-parnaiba-airport/1ef266df-baad-6068-9f90-06bb2780ed98)

- City: Alto Parnaiba, Brazil
- ICAO: SNAI
- Timezone: America/Fortaleza
- Coordinates: -9.080000, -45.950000
- Elevation: 968 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 00:17 in Adelaide, it's 11:47 in Alto Parnaiba.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Adelaide International Airport (ADL)](https://www.flightduration.online/airport/adl-adelaide-adelaide-international-airport/1ef266e0-1682-610e-a772-06bb2780ed98)
- [Alto Parnaiba Airport (APY)](https://www.flightduration.online/airport/apy-alto-parnaiba-alto-parnaiba-airport/1ef266df-baad-6068-9f90-06bb2780ed98)
- [Flight duration calculator](/#calculator)