# Distance from Adelaide (ADL) to Santarem (STM)

> 15,634 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,634 km / 9,714 mi / 8,442 nm
- **Estimated flight time**: 19h
- **Heading**: 159° (south southeast)
- **Return heading**: 197° (south southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → Brazil
- **Intercontinental**: Oceania → South America
- **Time difference**: -12.5h (When it's 22:54 in Adelaide, it's 10:24 in Santarem)
- **Elevation difference**: 178 ft (STM 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

### [Maestro Wilson Fonseca Airport (STM)](https://www.flightduration.online/airport/stm-santarem-maestro-wilson-fonseca-airport/1ef266df-95a3-6bc8-85d3-06bb2780ed98)

- City: Santarem, Brazil
- ICAO: SBSN
- Timezone: America/Belem
- Coordinates: -2.420000, -54.790000
- Elevation: 198 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 22:54 in Adelaide, it's 10:24 in Santarem.
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)
- [Maestro Wilson Fonseca Airport (STM)](https://www.flightduration.online/airport/stm-santarem-maestro-wilson-fonseca-airport/1ef266df-95a3-6bc8-85d3-06bb2780ed98)
- [Flight duration calculator](/#calculator)