# Distance from Adelaide (ADL) to Roundup (RPX)

> 14,393 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,393 km / 8,944 mi / 7,772 nm
- **Estimated flight time**: 18h
- **Heading**: 55° (northeast)
- **Return heading**: 258° (west southwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Australia) → United States
- **Intercontinental**: Oceania → North America
- **Time difference**: -15.5h (When it's 14:53 in Adelaide, it's 23:23 in Roundup)
- **Elevation difference**: 3,470 ft (RPX 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

### [Roundup Airport (RPX)](https://www.flightduration.online/airport/rpx-roundup-roundup-airport/1ef266df-35b3-6aec-afe9-06bb2780ed98)

- City: Roundup, United States
- ICAO: KRPX
- Timezone: America/Denver
- Coordinates: 46.480000, -108.540000
- Elevation: 3,490 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 14:53 in Adelaide, it's 23:23 in Roundup.
With a 15.5-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)
- [Roundup Airport (RPX)](https://www.flightduration.online/airport/rpx-roundup-roundup-airport/1ef266df-35b3-6aec-afe9-06bb2780ed98)
- [Flight duration calculator](/#calculator)